with full understanding. that is "nbc nightly news" for this sunday. brian williams will be it's ice cream truck! us cream! >> us cream! >> hey, guys. i'm matt the ice cream man. >> he's pretending to be a sweet-talking stranger. >> how would you like some free ice cream? >> he is part of the hidden camera experiment. >> nerve wracking, right? >> it is a scaryituation. >> could your child be lured in to his vehicle? >> check it out. it's so cool in here. >> wow. >> or in to posing pictures. >> your address? >> or name and address. >> i don't trust it. i didn't want to tell him. >> cameras are secretly rolling as parents are secretly watching how real the teat can be. >> he could easily shut that door and take off. >> they forget everything and it's innocent. they're so innocent.

>> there's quite a few emotions going on right now. >> i'm very curious about how today's going to go. >> important advice that every parent can use. >> we need to teach our kids to be assertive, be strong and learn how to say no from an early age. >> natalie morales puts kids to the test, including her own. >> i'm like, partly almost we have a chance to find out and to help your kids when it matters most. natalie morales is here now and makes parents uncomfortable. >> but it's eye opening. these are real teachable moments. how kids might handle a tough situation or a dangerous one. like being approached by a

stranger and lured inside a truck. >> authorities have issued an amber alert for a 5-year-old. >> even though a stranger abducting a child is rare, we make every effort to teach our kids how to be safe. but will they remember those lessons when it matters? when we tested kids in the past, most were easily tricked. whether it was the lure of a puppy -- >> we got a puppy? >> i cannot believe they opened the door. i am shocked. >> reporter: or a man with a badge. >> don't be alarmed. everything is okay. >> yep. >> i'm with the sheriff's department. >> reporter: kids forgot what they wertold. >> can i step here far second? >> yep. >> reporter: and let the stranger in to the house. >> you failed! >> mom! >> well, i mean, he had the badge.

>> he had the badge. >> predators know exactly which lures to use and which ones kids are vulnerable to. >> reporter: michele borba says this is why parents need to teach their kids what to do in many different stranger situations. >> you role play it over and over again. you play what if scenarios. as a result, it's more lickly to seep in. show, don't tell. >> reporter: and that's what we plan to do tonight. i'm a mom with two boys, 3 and 8 years old. and i've been teaching my kids about stranger safety since they were toddlers. but like so many parents, i wonder if my kids will remember those lessons in a real life situation. i'm so curious, in fact, that later in the hour i'll be testing my 8-year-old. along with a group of other moms and dads, we'll watch our kids as we put them through a variety of tests to see how they'll react in risky situations with

strangers. actual scenarios convicted child predators have used to target children. >> hey, guys. >> hi. >> i'm matt the ice cream man. >> reporter: what will they do with when a friendly ice cream man makes a tempting offer. >> how would you like some free ice cream? >> reporter: will any of them climb in to a vehicle with a stranger? >> no. >> reporter: only a door slam away from being taken. i put my son to that test. >> whoa. >> i'm casting this new tv show of "reality kids" and i think you would be perfect for it. >> reporter: we'll see if kids will tell a stranger who they are and where they live. >> i just need your name, address. >> reporter: making it easy for a predator to find them. >> i'm hoping she would say i'd like to, you know, check with my mofirst. >> reporter: all the parents say they've told their kids never to give out that kind of information to strangers. let's see how they do. >> hi, my name is william. >> my name is christopher. >> hi, i'm xavier. >> reporter: we set up a tent

and installed hidden cameras. their parents and i are watching on monitors nearby. the boys assembling care packages for service men and women and told them nbc is sending the packages overseas with a recorded message. >> keep on fighting. >> reporter: we've hired an actor to approach the boys, take their pictures and tell them he's looking for stars for a new reality tv show. the test -- to see if they'll give him their home address. >> i speak to him about safety and he will not just give information or directions. >> if someone's saying you could be famous, that could be it. you know? >> i think if it's a chance for him to break in to his career, he just may. >> how would you feel if he does? >> it's a very scary situation. >> reporter: these parents know what their kids are about to go through may be stressful. but feel it's important.

>> hopefully it will be a learning experience. >>eporter: so let the testing begin. as soon as the camera woman and producer leave -- >> i got a call. >> reporter: -- our actor approaches. >> hi, guys. what are you doing? >> building a care package. >> care package? really? >> reporter: the boys look leerily. >> soldiers. >> really? that's awesome. hey, listen, guys. have you ever thought about being on tv? >> reporter: the mere mention of tv and they start to relax. >> oh yes. >> really? >> yes. >> reporter: their parents watch hoping they do the right thing. >> i'm doing a casting project right now and you look perfect. >> i've prepared. >> i have been on tv before. >> really? >> reporter: first the actor takes their photos. >> you look perfect. >> reporter: and the parents cringe. how would u feel if a stranger took your child's picture? >> that is your name? chris.

>> what is your last name? >> reporter: all three give up the full name without hesitation. >> xavier. >> xavier? >> went right up to him. >> reporter: but the next part is even scarier. >> what is your address? >> reporter: will the boys give up the info or stand up to the stranger? >> also coming up, test number two, the girls. will they give out their names? >> wow. >> for a shot at fame. >> i'm casting this new tv show and i think you would be perfect for it. >> me? >> yeah. >> when "my kid would never do that" continues. hose clamp plie you know what's complicated? shipping. shipping's complicated. not really. with priority mail flat rate boxes from the postal service shipping's easy. if it fits, it ships anywhere in the country for a low flat rate. that's not complicated. no. come on. how about... a handshake. alright. priority mail flat rate boxes. starting at just $5.15. only from the postal service.

never ending pasta bowl is back! endless combinations of pasta and sauce for just $9.95. plus, all the unlimited crisp salad or homemade soup and warm breadsticks you want. the pasta never ends but the offer does. only at olive garden. [ male announcer ] if you think all batteries are the same... consider this: when the unexpected happens, there's one brand of battery more emergency workers trust in their maglites: duracell. one reason: duralock power preserve. it locks in power for up to 10 years in storage. guaranteed. so, whether it's 10 years' of life's sunny days... or... the occasional stormy one... trust goes a long way. duracell with duralock. trusted everywhere. and there's juicy chicken hellmann's is the secret to making parmesan crusted chicken so juicy so delicious it's your secret to making dinner disappear hellmann's. bring out the best

if we took the nissan altima and reimagined nearly everything in it? gave it greater horsepower and best in class 38 mpg highway... ...advanced headlights... ...and zero gravity seats? yeah, that would be cool. ♪ introducing the completely reimagined nissan altima. it's our most innovative altima ever. nissan. innovation that excites. ♪ one appetizer and two entrees for 20 bucks. only the best dishes make the menu, and the competition is ruthless. nope. nope. actually we get along great. yeah. [ male announcer ] ouch! cutthroat stuff! the new southwest entrees from applebee's. part of the famous 2 for $20 menu. see you tomorrow. the tree house i built with my dad. (girl) really? yeah. there you go. okay, i'm gonna work on the roof.

dad, i'll be right back! (announcer) it's more than just that great peanut taste, choosing jif is a simple way to show someone how much you care. you made that for me? well you're making this for me. (announcer) choosey moms, and dads, choose jif.

♪ you've thought about being on tv, right? >> reporter: a stranger just told this boy chris he needs his home address to cast him in a new tv show. >> what's your address? >> reporter: his mom and the other kids' parents are watching, hoping he won't tell. >> well, the address, i need to wait for my parent's permission. >> oh. >> that's good. >> i'm impressed. >> reporter: but the actor keeps pushing. >> i just need everything. i need to get the contracts signed and sent out. >> she doesn't like me telling people. >> i'll talk to your parents tomorrow. >> reporter: chris's mom wills her son to stand the ground but it wasn't work. >> so much for that. >> reporter: nervous lafter from the watch room as he gives his entire address which we won't be doing. now, the other boys. >> your address?

>> 1760. >> 1760? and now you? >> 2542. >> 2542. >> xavier. >> reporter: xavier's dad wonders if peer pressure won out over common sense. >> maybe the first two kids did it and got comfortable. >> thanks so much, guys. i'll be in contact, all right? >> yeah. >> reporter: it took less than four minutes for our stranger to collect all the information necessary to track these boys down. >> how are you? >> good. >> reporter: they know i'm with the team of nbc who will be sending off the care packages. will they tell me about their encounter with the stranger? >> so anything else happen? >> well, a guy came out of nowhere. >> well, like saying he wants -- like have you been on tv? >> what did he do? >> took our pictures and wanted our info. >> and you guys let him have all of that? >> for the first time today, the boys get quiet.

have you been on tv before? >> yeah. >> i haven't been on tv per se. >> well guess what. you guys are all on tv right now. that's right. >> where's the camera? >> all over. >> there's one there. there's one there. this is a test and it was to see how you guys would act when somebody comes up to you and says you can be famous. >> reporter: they quickly realize they failed the test. >> oh wow. >> oh wow. >> oh wow. >> reporter: then we bring out their parents. come on, parents. come on in. >> you shouldn't have gave it to them. take their information and say my mom will contact you. >> chris, you said you need to talk to my mom first. >> he seemed legit. >> first instinct was good. >> stick with it. >> reporter: the parents leave hoping this time the lesson has gotten through. the testing continues. unlike the last group, these parents are convinced their

girls will know what to do when approached by a stranger. >> my name is erin. >> hi, my name is erika. >> i'm nava. >> nava is extremely cautious. >> reporter: her mom is especially earnest of teaching safety. she was at a boarding school in south africa. >> she wouldn't give out the home address. >> overall you don't think she'll go along with it, then? >> no, i don't. >> she'll be very cautious. >> reporter: he says her daughter erika has no problem speaking up. >> i'm hoping if someone said can i have your information, i'm hoping she'd say, check with my mom first. >> she knows if someone comes up with a dog, probably using that as a trick to get you so she knows that kind of stuff. >> reporter: erin's mom is counting on those lessons paying off today. >> i'm hoping that she does the right thing. >> reporter: and if she does give out her information -- >> i would feel devastated. >> reporter: while they're busy

filling boxes with supplies for the troops, up walks our actor. >> hey, guys. >> hello. >> what are you doing? >> reporter: you can see how uncomfortable they are being approached bay stranger. >> making care packages. >> really? that's cool. i'm casting this new tv show called "reality kids." and i think you would be perfect for it. >> me? >> yeah. really, really perfect. >> reporter: without taking he takes erika's picture. >> okay. >> wow. >> reporter: then he turns to erin and nava. >> listen. i need other people in the casting, too. hang on a second. here we go. you guys are perfect. cheese. >> what is this show? >> it's called "reality kids." >> okay. >> reporter: okay. so far they've let him take the photos. >> look at them. they're all nervous about it. >> reporter: now the real test. >> so i just need your info to get everything to your parents

to get waivers and things. >> reporter: their moms watch as if they're parenting skills are on the line. >> i need your name, address, stuff like that. it's just really easy. >> reporter: erika is the first to speak up. >> maybe you should talk to my mom. >> there you go. >> good girl. >> reporter: but the actor isn't giving up so easily. >> that's why i need your addresses and get everything to them so they're always informed. >> you could just ask my mom that. >> so far so good. >> i need your info first to get everything to them. >> reporter: will the high pressure sales pitch pay off? coming up next, another team starts out tough. >> do you have a card or something that i could see? >> will she be tough enough? and later, a whole new tempting scenario. >> have you guys ever been in an ice cream truck? >> a tour inside a stranger's truck. will kids climb in? >> come on, josh! >> watch as we put natalie's own son to the test.

>> it's hard. >> when "dateline" continues. it's all about change. the kids are going back to school, it's the perfect time to get back to you. to do something for yourself. a perfect time to join weight watchers. you spend your life taking care of others, why not take this time to take care of you? why not join weight watchers and start losing weight and feeling good, right now? you deserve it. you just gotta believe. join for free. weight watchers. because it works. ♪ believe in yourself because it works. hey, becky. hey....uncle steve. for life's bleachable moments.

you know, ronny... folks who save hundreds of dollars by switching to geico sure are happy. and how happy are they jimmy? i'd say happier than a bodybuilder directing traffic.

he does look happy. get happy. get geico. fifteen minutes could save you fifteen percent or more on car insurance. ♪ we're testing kids to see if that i remember what to do when approached by a stranger. showed called "reality kids." >> reporter: our actor is pushing erika to tell him who stuff like that. >> reporter: so far, she's

turned him down twice. >> i'm not comfortable with my address. >> why not? we need to mail everything so we can get it to you. >> um, can you just ask my mom that? >> reporter: she's making her mom proud. >> she is not budging. >> but don't you want to make money? >> i can make money when i become a professional soccer player. >> don't give in. don't give in. >> reporter: she stays firm. now the actor turns the attention to the other girls. will they follow erika's example? >> what is your name? >> nvava. >> reporter: her mom watches to see if her daughter will remember everything she's taught her. >> nava's like, i'm keeping my head down. >> what is the address? >> concern and worry flash across her face as her daughter gives her entire address. >> avenue. >> reporter: it's a hard thing for a mother to watch. >> my name is erin. >> erin? >> see?

>> and what is the address? >> reporter: complete silence in the watch room as her mom listens to hear what her daughter will say? >> yeah. just give me the address to mail everything and get your number be your parents. >> 61 -- >> reporter: erin gives out her address. >> new jersey, new york? >> reporter: reality seems to strike her mom. >> emotional. >> it's hard, right? >> reporter: then as our actor starts to leave, erika does something unexpected. >> wait. you are going to see my parents, right? you can ask them the address when you see them. >> i won't see them. i'm going to talk to them. >> exactly. >> i nao ed to get everything mailed out. we're shooting next week. >> reporter: now her mom looks really worried. >> 170. >> 170? >> avenue. >> avenue? >> what did she say? >> she's giving in. i'm surprised. >> you guys are going to be famous. i know it.

thank you, guys. >> okay. >> reporter: as soon as he leaves, erika knows something's not right. >> i don't trust him. i didn't want to tell them him. that's what i was like, no. >> what's interesting is they're having a conversation about how they didn't trust him and the things we tell them not to do but they didn't do it. >> after the fact. >> after the fact. >> reporter: now i go out and greet the girls. >> i'm natalie with nbc. how are you doing? >> good. >> reporter: i ask them if anything unusual happened. >> there was a guy. >> a guy? >> he was like -- he like took pictures kind of and took our information. >> did he get all of your information? >> i didn't trust him but i gave him the information. >> why did you give him the information if you didn't trust him? >> he was like pressuring me. >> well, we are sending the care packages to the troops but the real reason you're here also is we are doing a show about stranger danger. their moms come out to speak to them. >> oh my goodness. >> what did you guys do? >> i was so scared.

>> we didn't know. >> what did you tell him? >> whether are you supposed to do if a stranger asks you for your information? >> i was going to run but i didn't know where to go. >> the families leave feeling they'll be better prepared to handle a real stranger. in our final group, we meet a girl who knows what it's like to be approached by a stranger. >> hi, i'm paige, 14 years old. >> reporter: she is asked about being a model and just like the expert recommends, her mother says shees been very specific about how to handle it. >> she just breezes right through them. right, right, right. whatever. >> reporter: her mom's not worried about today's test. >> i'm fairly confident she would say not interested, thanks. >> reporter: is paige's mom right about her daughter? >> hi, guys. >> hi. >> how are you? >> hi. good. >> reporter: she and two younger girls are assembling care packages. our actor starts by asking the ages.

>> how are you guys? >> 14. >> reporter: paige doesn't hesitate to give her age but what will she do when the questions get more personal? >> there's quite a few emotions going on right now. >> reporter: but when he asks to take her picture -- >> no thanks. >> really? why not? >> do you have a card or something that i could see? >> i have nothing on me. >> i just have to go by your word and i don't go by people's words, so -- >> she is amazing. >> wow, mom. >> reporter: paige, ava and aayliyah breeze them off. >> you don't want to be famous? >> now you're getting annoying. >> it's your loss. >> we know it is. >> weird. >> reporter: when i go out to speak to paige, she says she knew what to do because her mother taught her. >> he didn't have a card. he didn't have any piece identification. >> is that something you're that snugt. >> yeah, definitely. >> reporter: her mother and the other parents beam with pride.

>> good job, sweetie. good job. paige, that was -- you were excellent. >> i learned from the best mom. >> thank you. >> sweet. >> reporter: expert michele borba applauds paige's mom for giving her detailed instructions on how to handle the situation and she says parents don't worry about scaring your kids. >> you're not scaring them to death when you say don't run in to the street. don't run around the pool. so don't feel you're scaring them by giving them what to do in certain situations that can create safety for them around strangers. >> reporter: here's a stranger situation you might not have thought of. but child predators certainly have. >> hey, guys. >> hi. >> hi. >> i'm matt the ice cream man. >> reporter: would your children know what to do if someone tried to lure them with free ice cream? >> would you guys like some? >> reporter: and a special tour inside the truck. >> no. it's fine.

i have the truck right here. >> when we come back, a powerful, emotional moment is in store for father and son. >> oh jesus. >> and a police officer who teaches stranger safety lessons. surely, his daughter will know what to do. right? >> i'm very curious about how today's going to go. >> when "my kid would never do that" continues. fathered the most children, gets the most data. let's just do it by hair. body hair? most dental work. what? [ phones buzzing and beeping ] stop downloading, and stop liking everything. it should be by who has the least amount of cartilage in their left knee. [ mom ] i just want to take a bath. [ male announcer ] say no to sharing. say yes to sprint. with truly unlimited data, text and calling. huh. [ birds chirping ] are you a fan of demoisier? uh, um... [ thinking ] demois-a-who?

okay, you can't get by on just your looks forever. okay. [ thinking ] you just ordered a premium roast coffee and a savory sausage mcmuffin for only a dollar each off mcdonald's dollar menu at breakfast. so you know you're smart. he has a certain... je ne sais quoi, you know? [ speaking french ] yeah. oh, yeah. all the time. [ male announcer ] the simple joy of being smart. begins with back pain and a choice. take advil, and maybe have to take up to four in a day. or take aleve, which can relieve pain all day with just two pills. good eye. [ male announcer ] finally, mom's oven-baked tastes straight from the microwave. like oven-roasted chicken in a creamy alfredo sauce. marie callender's new comfort bakes. it's time to savor. marie callender's new comfort bakes. i've got two tickets to paradise!l set? pack your bags, we'll leave tonight.

uhh, it's next month, actually... eddie continues singing: to tickets to... paradiiiiiise! no four. remember? whoooa whooaa whooo! you know ronny, folks who save hundreds of dollars by switching to geico sure are happy. and how happy are they jimmy? happier than eddie money running a travel agency. get happy. get geico. fifteen minutes could save you fifteen percent or more. i have a great fit with my dentures. i love kiwis. i've always had that issue with the seeds getting under my denture. super poligrip free -- it creates a seal of the dentures in my mouth. even well-fitting dentures let in food particles. super poligrip is zinc free. with just a few dabs, it's clinically proven to seal out more food particles so you're more comfortable and confident while you eat. super poligrip free made the kiwi an enjoyable experience. [ charlie ] try zinc free super poligrip.

♪ would your kids take free ice cream from a man they didn't know? this dad thinks he knows the answer. >> that type of thing i really don't worry about anymore. >> reporter: they have been individual labt abovigilant abo children about the rules of stranger danger. they're confident. >> what if they don't? >> i will feel i've done

something wrong. maybe i've failed in a certain way. >> reporter: we've brought back our actor. this time he's playing the part of an ice cream man. he'll drive up in an ice cream truck we've offered and offer free ice cream and then try to lure them in for a tour to peek in the frizers and play with the truck's music machine. if they go inside, you will see how easy it would be for a predator to slam the door and drive off. maya and dallas who are twins think they're here to create a poster for troops overseas. >> my name is maya. i'm 8. >> i'm dallas. >> i wanted to say good luck. >> reporter: they don't know the tent is full of hidden cameras and their dad is watching their every move. their older sister taylor is watching, too. >> it's nerve wracking, right? >> yeah, yeah. >> okay. here we go. our producer leave it is tent and the twins continue to work on their poster. ♪ then, they hear the unmistakable sound of an ice cream truck

headed their way. >> us cream! >> do you think we have money? >> hey, guys. >> hi. >> hi. >> i'm matt the ice cream man. what are you doing? >> doing a thank you card. >> hey. for who? >> people that served in the war. >> wow. that's awesome, guys. >> thank you. >> you know what? i usually give out free ice cream for anyone that does anything for the troops. would you guys like some? >> reporter: their dad and sister hold their breath to see if dallas and maya will remember what their parents taught them. and send the ice cream man away. >> do you want some free ice cream? >> we have to ask our parents. >> no. it's fine. i have the truck right here. >> come on. >> reporter: maya is reluctant so our actor tries another tactic. >> have you been inside an ice cream truck? seen the inside? would you like to check that out? >> reporter: they go back to working on their poster. their dad watches hoping his twins will continue to ignore our ice cream man.

>> i'm nervous right now. >> reporter: but our actor turns on the charm. come on, guys. i'll show you. >> reporter: maybe they'll just peek in. >> it's right here. >> reporter: not get in. he gets out a stool inviting them to climb up. >> check it out, guys. >> i could show you the freezer and how the music works and everything. go ahead. >> reporter: while dallas marches right in. >> oh god. >> reporter: maya hesitates, looks around. unsure of what to do. >> it's all right. >> reporter: then, she climbs in. >> watch your step. >> oh jesus. >> reporter: their father is visibly upset. >> no matter how much you talk to them -- >> that's right. >> takes something catches their interest and they forget everything. and it's innocent. they're so innocent. >> all right. what is your favorite ice cream? you like spider-man or dora the explorer?

>> spider-man. >> spider-man? >> sure. >> wait. i think -- do we need to pay because i think our parents -- >> it's free, guys. it's free. >> reporter: even though she got in the truck, maya continues to turn down the ice cream. >> i'm good. >> are you sure? >> yeah. >> reporter: but both are interested to see how the music machine works. >> it's this little box right up here. >> i didn't think they would do that. >> an they're in there a long time and he could easily shut that door and take off. >> somebody else is in there and grab them. >> reporter: they finish with the tour. >> bye. >> reporter: and as soon as our ice cream man leaves -- >> bye, guys. >> bye! >> keep doing the good work. >> reporter: maya tells her brother something isn't right. >> dallas. we don't know him. stranger danger. >> ice cream. >> dallas. we need to tell a parent first. you're in big trouble.

>> want a bite? >> no. i'm not getting stolen ice cream. >> how are you? >> good. >> i'm natalie morales. i work with nbc. how are you doing? i go out to speak to the twins. do your parents talk to you about strangers? >> yes. and dallas -- dallas forgot. >> did you forget, too? >> no. i always don't get free ice cream. >> what about getting on a truck with an ice cream man? >> i was kind of scared because i thought he was, like, the person that takes people. >> reporter: dallas gets very upset as soon as he sees his dad. >> hey, guys. what's wrong? what's wrong? >> reporter: his father tries to comfort him, explaining why this experiment was so important. >> as much as we talk, your mom and i talk to you, you make mistakes.

and it's okay to make mistakes but sometimes your mistake can get you in so much trouble that you can't fix it. it's okay. >> sorry. >> you know better for the next time. an you know better when you go back and talk to your friends. >> now you can have your ice cream and milk duds. turning down free ice cream and a taur of an ice truck would be tough for any kid but what about one whose father is a police officer? >> my dad told me if there's a stranger i should walk away or say no thank you if they offer me anything. >> reporter: not only is yule yeah's dad a cop but one of the duties is to teach stranger safety in schools. >> are all strangers dad bad? >> no. >> reporter: he teaches kids about traps like a stranger wants to show kids the latest video game. he also teaches another valuable lesson. >> if a stranger ever tries to grab you, i want you guys to do this.

are you ready? i want everybody to wiggle like a worm. wiggle, wiggle. and go help! help! stranger's trying to get me. help! >> reporter: julia says her dad is constantly reminding her of safety. >> why don't you take something from a stranger? could a trick. >> out of all the people in the world why would it be you? >> reporter: what will julia do today? will she put the lessons to good use? >> i'm curious about how today goes if she can apply it to the real world. >> reporter: her dad is worried even though she's had so much training in the end peer pressure will be the deciding factor. >> my prediction is she'll go with the group. >> hi. my name's julia. i'm 8 years old. >> reporter: she is working side by side with two girls she's never met better. >> i'm brianna and 7 years old. >> my name's alison. i'm 9 years old. >> reporter: what about the other girls?

aliso alison's mom taught her to trust the instinct's i that little voice, you need to listen to it. >> reporter: brianna's mom is worried her daughter is too trusted and easily swayed. >> i hope not enough to go and do something that normally would be out of the norm. it's a very dangerous situation to get in. >> it's the ice cream truck! >> reporter: the girls are excited as our actor approaches them. >> what are you doing? >> painting. >> painting what? >> this thing for the troops. >> for the troops? really? you know what? you're working so hard how would you guys like some free ice cream? >> reporter: will the police officer's daughter and our two other girls say no to free ice cream? and what about a tour of the truck? >> oh, geez. >> oh my goodness. and coming up later, natalie's son josh and his friends. >> it's the ice cream truck!

>> us cream! >> ice cream! >> will they pass the tempting ice cream test? >> what are you guys doing? >> josh, come on. coming up friday, on "dateline," he was the prince of a hotel family. hard charging. as a stepfather, gentle and kind. >> i do feel like i am his daughter. >> until that terrible day. >> i couldn't believe what i saw. it was a mess. >> her stepdad dead. her mom destroyed. >> hollingering and screaming. >> a slew of potential suspects. >> there were a lot of people that didn't like her. >> but for her creeping questions closer to home. >> my suspicions are glowing by the minute. >> so was the danger. >> there was a hit out on me. >> someone gunning for this grieving daughter. but who? why? the answers would stun everyone. >> when you look back and say, my god. [ angela ] endless shrimp is our most popular promotion at red lobster. there's so many choices. the guests come in and they're like

yeah i want to try this shrimp and i want to try this kind. they wait for this all year long. [ male announcer ] red lobster's endless shrimp is back, but only for a limited time, for just $14.99. try as much as you like any way you like, like new teriyaki grilled shrimp or new parmesan crusted shrimp, for just $14.99. [ angela ] creating an experience instead of just a meal that's endless shrimp. my name is angela trapp. i'm a server at red lobster and i sea food differently. [ femala $100 cream. we were flattered when regenerist beat i'm a server at red lobster flabbergasted when we creamed a $500 cream. for about $30 regenerist micro-sculpting cream hydrates better than over 20 of america's most expensive luxury creams. fantastic. phenomenal. regenerist.

♪ it's ice cream truck. >> reporter: the prifr's daughter julia and two other girls are about to get an offer from a man they don't know. >> hey, guys. how are you? >> good. >> reporter: julia, bre anna and allison are working on a poster

to send to our armed forces. >> you know what? you are working so hard. how would you like some free ice cream? >> yeah. >> yeah? >> reporter: will the girls and the cop's daughter take the bait and be lured in to a stranger's vehicle? remember, her dad teaches stranger safety in schools. >> they're going. >> there she goes. >> oh geez. >> reporter: the police officer can't believe the girls are following the ice cream man like he's the pied piper. >> do you, like, have strawberry? >> oh. >> have you ever been in a truck? >> no. >> no? >> reporter: now, the moment of truth. can our actor convince them to do something they know is wrong? >> why don't you come check it out? it's so cool in here. >> reporter: their parents can't look away. the prifr's daughter moves closer and the other girls follow her. bre anna, whose mom worried her daughter is too trusting asks a question. >> we could get in there?

>> i can show you how everything works. the music, everything. >> oh gosh. >> oh my god. >> reporter: will julia and allison join her? >> one second. come on. this is a scam, i know it. >> reporter: the look of a proud father. >> she just walked over and said we're not getting in there. >> reporter: meanwhile, breanna is getting the full tour. >> how would you like to turn on the music? >> sure. >> reporter: something dawns on her. >> i hope it's okay with my father. >> reporter:breanna's mom is crushed. >> i'm so upset she is in that truck. so trusting. >> reporter: our actor turns his attention back to the other girls. >> come on, guys. >> reporter: so far the police officer's daughter and allison refuses. >> we want to work. >> reporter: one more time with the free ice cream. >> you want free ice cream? come on.

which would you like? >> reporter: nobody's perfect. >> what would you like? >> anything. >> they all went for the free ice cream. they did. >> thank you. >> reporter: eventually, breanna gets out of the truck. >> have a good one. >> really nice. >> let's have our ice cream. >> i never got free ice cream before. never in my life. >> reporter: we all go out to speak to the girls how's the ice cream? >> good. >> yeah? are you wondering why the cameras are around here? >> going to be on a movie. >> reporter: julia says even though she took the ice cream, she thought something was fishy. >> why else would a free ice cream truck come along and say, hey, you want some free ice cream cones? >> that happens in real life. >> people get carried away and never see the parents again. >> your dad taught you very well. >> of course he did. >> reporter: she's not sure what to make of this. come on, heather.

her mother wants to be sure she learned something today. >> if they say come and see my ice cream truck, my puppy, what are you supposed to say? >> no. >> in a what type of voice? >> no voice. >> in a loud voice. other people can hear you. don't you ever go up to a stranger and do that again, okay, breanna? we will be very sad if something happened to you. >> you don't need to be a police officer to make sure your child learns a good safety skills. >> reporter: but the expert says like julia's dad you have to be repetiti repetitive. it is not a one-time conversation. >> teaching your child over and over those street smart safety skills will help in the end. >> reporter: as i hug a tearful breanna, i can't help but wonder what's going to happen when my son josh and two friends are greeted by the friendly ice cream man. unlike the last group that didn't know each other, the

three boys have been friends forever. >> since 2. >> reporter: will that make it harder for them to say no? if josh sees malcolm doing something and hudson i think he feels like it's okay to do it, too. >> hi, my name's josh. >> i'm hunter. >> hi, my name is malcolm. >> thank you for your service. >> what else is new? anything? >> reporter: amy and alison are my friends. we have all made an effort to teach our boy what is to do if they're ever approached by a stranger. >> i've given them some scenarios where they might be in danger if somebody says, little boy, come over here and help me find my son or look for my dog. >> i have talked about not accepting food or candy or ice cream because malcolm has a sweet tooth and afraid it would lure him right in. >> i taught josh from the toddler and understand stranger danger. >> right. >> in the last couple of years, i feel he's very trusting of people now. it's tough. it's really tough. >> reporter: all three of us are worried our sons will get in the

truck. but the moms are betting on my son to be the one to say no. >> i have to say i do think josh will be the one, the voice of reason. >> you think so? oh my god, i hope you're right. >> be quiet. >> i think it depends on the influence of others. josh may think twice about getting on the truck. now it's my turn to watch my kid and hope he would never get in a vehicle with a stranger. >> all right. i'm going to rinse this off. i'll be back. >> reporter: out goes our producer and in comes the ice cream truck. >> it's ice cream truck! >> ice cream! >> ice cream! >> hey, guys. >> hey. >> what are you doing? >> making -- >> making something for the troops. >> that's awesome. do you guys want some ice cream? >> oh josh. come on. i'm like partly almost crying but at the same time i can't

believe that. >> want some ice cream? [ male announcer ] there's chicken and there's juicy chicken hellmann's is the secret to making parmesan crusted chicken so juicy so delicious it's your secret to making dinner disappear hellmann's. bring out the best one appetizer and two entrees for 20 bucks. only the best dishes make the menu, and the competition is ruthless. nope. nope. actually we get along great. yeah. [ male announcer ] ouch! cutthroat stuff! the new southwest entrees from applebee's. part of the famous 2 for $20 menu.

see you tomorrow. to make just about anything delicious. introducing new jif chocolate flavored hazelnut spread. whatever you put it on... reaches a whole new level of deliciousness. choosy moms choose jif. all kinds of things, especially germs. that's why you always get your flu shot. this year, walgreens will do you one better and check if there are any other immunizations you might need -- absolutely free, no appointment necessary. preparing you for years of unplanned sharing to come. at walgreens and take care clinics, we've got all kinds of ways to arm yourself for flu season, and they're all right here... at the corner of happy and healthy. foil your and they're all right here... house to reflect the sun's rays back into space to try to reduce climate change. but there are easier ways to go green. like turning off the lights when you leave a room. you could save the tin foil for leftovers the more you know.

♪ my friend d i are watching our sons on hidden cameras as they're apoached by a stranger. >> hey, guys. >> reporter: like with all the other groups today our fake ice cream man interrupts them while working on a poster for the military. >> our company gives out free ice cream to people who do things for the troops. you want some? >> yeah. >> okay! >> reporter: hudson and malcolm follow the ice cream man but not my son jerebko. >> you don't want to come? want some ice cream? >> reporter: he stays behind the table. my fingers are crossed to remember everything i've taught him about stranger safety. >> come on, josh. >> check it out. >> oh. >> oh my god. >> reporter: they all want the ice cream. but will they go in the truck to get it? >> have you ever been in an ice cream truck? >> no. >> reporter: we prepare ourselves to see what the boys do.

>> reporter: hudson and ma'am come don't wait for the stool. they dive right in to the truck. >> you want to climb? >> is that hudson? >> this is cool! >> right? >> yes. >> reporter: but my son hangs back. i know he's thinking he shou shouldn't get in. >> is this really the ice cream truck? >> yeah. >> i want to see. >> me god. i feel like -- >> i knew he was going to get on that truck. >> reporter: still, it's hard for me to watch. >> you want the spider-man? we got dora the explorer. >> that one? >> this one? >> i'm like partly almost crying but at the same time i can't believe that. >> all right. you got it, buddy. >> thanks. >> you want -- >> reporter: the reality of what our boys have done sets in. it's hard. he could have slammed the doors right now and driven off with them. >> just driven off. >> reporter: once josh gets his ice cream, he darts off the

truck and runs for safety behind the table. >> wow. >> you guys want to know how the music works? >> no thanks. >> yeah. >> reporter: even peer pressure won't get him this time. >> hey, josh. you want to learn how the music works? >> reporter: as he shakes his head, i know in my heart josh can't wait for the stranger to leave. his friends are still playing in the truck. >> you can play with it if you want. >> reporter: finally, the boys get off the truck and our ice cream man leaves. >> bye, guys. >> bye. >> reporter: josh tells his friends he's suspicious. >> guys, you know what? i didn't trust that man. >> how come? >> my dad told me that do you want what? that could have been a stranger. trying to get you in and trying to kidnap you. >> reporter: it was a proud moment for me to hear josh tell his friends what he had been taught. although i wish it had been sooner.

>> see? i told you he would be the most level headed. >> yeah. but he got on the truck with him. >> hey. look. we got ice cream. >> should throw it on the floor. >> it's good. >> reporter: we send our actor back. >> coming back. >> we should make a run for it. >> reporter: to test the boys one last time. >> hey, guys. by the way. don't tell your parents i gave you that. all right? all right. >> and you came on the truck. i can get in trouble. all right? >> okay. >> enjoy the ice cream. >> reporter: will the boys tell us about the ice cream man? >> maybe we should go inside. >> reporter: they form a huddle to decide what to do next. >> we got to tell them about the ice cream. throw it on the flr. >> your mom is coming. >> reporter: they charge towards me shouting about the encounter with the stranger. >> i a suspicious person came with ice cream. >> a guy in an ice cream truck and trying to like he led us in the truck an gave us free ice cream. >> reporter: they told me all

about the free ice cream and not so much about getting in the truck. was there more to it? did he try to get you to come with him anywhere? >> he offered to go on the truck. >> did you go on the truck? >> malcolm did. >> you did, too. >> yes, he did. i went out quickly. >> okay. come here, guys. i bring them in the tent to show them the hidden cameras. this is all part of a test to see how you react. if a stranger came up to you. >> really? >> okay? we were watching. see? there's a camera there and there and in there. >> you saw us? >> your moms and i were in the back room watching you. >> come on. >> and what we saw made us very scared. okay? what you did today could have been the difference. it could have been somebody taking off with you in the truck and you said that but you got on that truck. why? why did you get on the truck? >> sorry, mommy. >> no. i know, sweetie. i know you're sorry but you

understand what we're doing here, guys? okay? >> yeah. >> i think that's a real parenting moment when you realize that no matter how much i've had the talk with him and i feel like i've played out scenarios, it's still not sinking in. >> the only piece that we need to go up a notch is if you ire with your friends. your friends may push you to do something you know is wrong. in the end, what you need to be able to do is a strong no and then run. >> reporter: our expert did give josh high marks for quickly exiting the truck. >> what i kept watching was conscious and gus instinct. very alive in that child and well. >> so i'm not doing a bad job parenting? >> oh, natalie, you're doing a wonderful job parenting. >> reporter: for all you parents hoping my kid would never be tricked by a stranger, borba has another piece of add rice to keep your child safe. >> start with one rulement always look at the color of the talker's eyes. it makes your child hold their head up, makes the whole body

look confident and stronger. we need to teach our kids to be assertive, be strong and learn how to say no from an early age. >> how would you handle the situation now? >> i would punch him. >> what else would you do? you would run and find me. okay? okay. we're okay, guys. we're okay. >> that was an incredibly touching moment. i know you don't want to come down on them but he's got to get the message. >> that's right. >> what was the car ride home like? >> very long and emotional as you saw and i'll say, though, by the end of the car ride we talked through the different scenarios with the boys and they were thanking us for actually putting them in that very difficult situation because they said they got it and know what to do if the situation happened in real life. >> let's hope that same conversation's going on at home now in living rooms. thanks. that's all for this edition of "dateline." sunday. we'll ba