>> that's the "overnight news" for this monday. for some of you the news continues. for others check back with us a little later for the morning news and "cbs this morning." from the broadcast center in new york city, i'll elaine i'm elan quijano. the democrats debate who would best defend the nation. as our new poll brings good news for cruz and clinton in iowa, trump and sanders in new hampshire. a bomb scare diverts an air france flight. officials call it a hoax but -- does it expose a real threat to airline security? >> the concerning part is the household timer. what does that look like? how big of a timer is it? an olympic skier saved from serious injury by an air bag on his chest. and changing breakfast tastes. why cereal is slumping. >> this is the "cbs overnight

welcome to the "overnight news." i'm elaine quijano. the democratic candidates put their focus on national security last night. their third debate was a polite face-off but they still took plenty of shots at each other and republican front-runner donald trump. today trump fought back with attacks of his own. here's julianna goldman. >> thank you, good night, and may the force be with you. >> reporter: feeling the force behind her, a confident hillary clinton deflected attacks from bernie sanders and martin o'mally while setting her sights on the republicans, especially donald trump. >> he is becoming isis' best recruiter. they are going to people, showing videos of donald trump insulting islam and muslims -- >> reporter: sunday the gop front-runner says those claims are unsubstantiated. >> another hillary lie, she lies like crazy. about everything.

insults democrats last night focused on policy disputes. >> our differences are fairly deep. >> reporter: most of the debate covered national security. sanders once again hit clinton on her 2003 vote to authorize the iraq war. >> secretary clinton is too much into regime change and a little bit too aggressive -- >> senator, you voted for regime change with respect to libya. >> reporter: and on the economy. >> should corporate america love hillary clinton? >> everybody should. >> they ain't going to like me, and wall street is going to like me even less. >> reporter: o'mally, who's trailing in the polls, attacked his opponents from gun control. flip-flopping political approach of washington that both my two represented there for the last 40 years -- >> whoa, whoa, whoa, whoa -- >> we need common sense -- >> calm down a little bit -- >> reporter: with an apology, sanders and clinton did calm a tense dispute over a data

after sanders staffers accessed clinton campaign voter files. >> we should move on. because i don't think the american people are all this interested in this. >> reporter: the sanders campaign has suspended two more employees who accessed that clinton campaign data. that's on top of the staffer fired last week. elaine, clinton said saturday night if elected bill clinton would be a key economic adviser but she'd probably still pick out the flowers and china for state dinners. >> julianna goldman in washington for us, thank you. hillary clinton has a solid lead in the latest cbs news battleground tracker. she's ahead in iowa and south carolina. while bernie sanders has a lead in new hampshire. among republicans, donald trump is on top overall. but not in iowa. jamie yukis has the numbers. >> reporter: texas senator ted cruz is now solidly ahead of donald trump in iowa with 40% of likely caucus voters.

earlier evangelical base. a state in which 1 in 5 say faith and religious values matter most. iowa and new hampshire, 60% of republicans say terrorism and security are the biggest concerns. pulling ahead of the economy. today republican presidential candidate donald trump called into the sunday talk shows where he once again proclaimed his support for a ban on muslims entering the united states. >> the problem is a very serious problem. you have a radicalization of people, they happen to be islamic. >> reporter: candidates marco rubio and jeb bush both appeared on cbs' "face the nation" this morning and addressed the controversial comments. >> came up with something spectacular and outrageous so people would respond to it and he could recapture the headlines. it's not a serious proposal. >> you can't do it by banning muslims into our country, it's just ridiculous. but look, people are scared. when they hear someone that advocates a big position, i can see why people would be --

that doesn't mean it's the right thing to do. >> reporter: the criticism about trump's comments have not made a dent in his numbers. almost three-quarters of republican voters in new hampshire and iowa are glad someone says them. they need to be discussed. there are just six weeks to the start of the republican primaries and elaine, even though cruz is ahead in iowa, many say it's anybody's race there. >> jamie, thank you so much. a bomb scare forced an air france flight to make an emergency landing today. the flight from the indian ocean island of mauritius to paris stopped in kenya when a passenger reported a suspicious device. officials are calling it a hoax. but as chris van cleave reports it raises very real security concerns. >> reporter: the fake device looked real enough to prompt the crew of this air france boeing 777 to make an emergency landing in mombasa, kenya, and evacuate the passenger and crew using emergency exit slides.

now they say they found the bomb. so -- very tired, very difficult. >> reporter: benoit also on board -- slowly. we realized probably something was wrong. >> reporter: air france's ceo said a passenger spotted the fake bomb and reported it to the crew of flight 463, adding the device was made of cardboard, it was hidden in a bathroom cabinet. kenyan police reportedly questioned a number of passengers, including the person who reported the device. the airline says at least three other air france flights have received bomb threats since the november 13th attacks in paris. >> the concerning part for me is the household timer. how big of a timer is it? what's its purpose? was the carrier stopped at security and questioned about it? >> reporter: ron hosko, former assistant director of the fbi. >> what type of person does this?

at the bounds of airline security and airport security. and a whole array of fools and clowns and criminals who like to see what the response is. >> reporter: security experts say there's concern about the level and quality of security at airports that do not directly serve the united states because they're not subject to tsa regulations. the worry is someone getting a device past that security and eventually connecting to a flight bound for the u.s. elaine, mauritius airport is tightening security. >> chris van cleave from washington, thank you. "the cbs overnight news"

outrage spilled into the streets in new delhi, india, over the release of a man who participated in a notorious gang rape on a bus. he had completed a three-year sentence. demonstrators included the parents of the woman who was attacked. she later died of internal injuries. those dreaming of a white christmas are in for some disappointment unless you're in the pacific northwest. eric fisher is chief meteorologist at wbz. eric, what's ahead for that part of the country? >> elaine, several more storms lined up yet again. a parade of storms moving into the pacific northwest continues. one right now, one behind it for monday and tuesday, another

this means a lot of rain for lowlands. seattle likely to enter its top ten wettest decembers on record list. plenty of snow when it gets to elevation, 1 to 3 feet of snowfall from the cascades, intermountain west, sierra the next few days. a white christmas. the west is where you want to be. it is essentially a lock. in the east a 0% chance. and this is the reason why. a big surge of warmth moving eastbound. really culminating on christmas eve. what is warmth in late december? 60s, 70s, 80s on the eastern sea board. boston near 70, new york over 70, d.c. nearing 80. elaine, dozens of records are expected to be set this week. >> incredible. eric fisher, thank you so much. at least two people are dead including a child after an avalanche in norway. it happened in svalvard, one of the northernmost settlements in the world. at least nine others were injured and several houses were lifted off their foundations.

darkness. the area gets no sunlight from november to february. there was a serious crash at the world cup of downhill ski racing. but as it turned out it could have been much worse if not for some brand-new safety equipment sewn into a layer of the skier's clothes. contessa brewer reports. >> whoa, whoa, whoa! >> reporter: austrian olympic champ mathias mayer came racing down the italian mountain, flipped, flew, finally crashed hard. the crowd held its collective breath as the skier struggled to get his. and he did. in part because he was wearing a radical new vest with air bags. it's the first time they've ever >> it's not as big as an air bag in your car. >> reporter: canadian olympic medalist yann hudek helped test the wearable air bag. >> it's obviously a little bulkier and bigger than what we'd normally wear.

maneuver in it. >> reporter: when a skier abruptly changes position, sensors in the vest distinguish between an intentional jump and off-balance close calls, or imminent fall. the international ski federation recorded 726 injuries over the last eight seasons of alpine competition. nearly 20% of those involved the head, neck, and shoulders. it only recently approved the air bag vest by italian maker dianese. professional skiers aren't convinced, worried more about speed than safety. >> it's tough to implement a new thing, even if it is for safety in a sport where hundredths of a second are on the line. >> reporter: yann and his canadian teammates as well as a adopters. >> you've got the switch for on/off -- >> reporter: so are other

horse riders. north face makes them for snowboarders in case of avalanche. mayer's fall landed him in a helicopter, then in the hospital, and surely grateful officials are certain saved him from more serious injury. the austrian ski team says mayer broke a vertebra and will be out of competition for a month. so far the ski federation's refused to make the new safety vests mandatory. but mayer's fall may turn skeptics into believers. >> contessa brewer, thank you. more americans are changing how they start their day. general mills just announced a 6% drop in second-quarter cereal sales, the latest soggy report for an industry that's seen an estimated 30% slide over the past 15 years. here to explain this is cbs news business analyst jill schlessinger. jill, what is going on here? what's behind these numbers? >> we're eating 20 tons less cereal than we did just 10 years ago.

we see the advent of low-carb, no-carb diets, we see the paleo diets, and they look at cereal and say, too many carbs. we see parents really waking up to this idea of gluten and sugar in cereal, they don't want their kids to eat that. on top of that, greek yogurt, high in protein, low in carbs, stealing the show. put it together, diving sales. >> how are the big players responding? >> what's interesting is they're trying to figure out how to rebrand themselves, reintroduce. so we had general mills and kellogg's saying, we have better for you products or relabeling something. in one case a gm saying, we're going to remove all artificial flavors and colors, high fructose corn syrup comes out, by 2017, they make a gluten-free cheerios. kellogg's launches all these new products, cereal to go to put something in your cup in your car. >> how are they trying to lure millennials? >> a social media campaign aimed at this group.

#stirupbreakfast. they're asking young foodies and chefs to create amazing concoctions. lult are let me give you a couple. corn flakes with butternut squash, kale, and coconuts. special k with avocado. restaurants are hosting events to highlight these. we'll see if it makes a difference. >> jill schlessinger, thank you so much. "the cbs overnight news" will be right back. mucinex fast max. it's the same difference. this one is max strength and fights mucus. mucinex fast max. the only cold and flu liquid gel that's max-strength and fights mucus. let's end this. red 97! set! red 97! did you say 97? yes. you know, that reminds me of geico's 97% customer satisfaction rating. 97%? helped by geico's fast and friendly claims service. huh... oh yeah, baby.

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despite its name, iceland is one of the greenest countries on earth when it comes to energy production. one thing it does not have, though, is windmills but that could change. >> reporter: iceland is known for its geothermal power which pulls energy from hot water reserves underground. it's so clean, hundreds of thousands of people each year bathe in the island's thermal baths. iceland runs on 100% renewable energy from hydropower to geothermal plants. like the one behind me. for as windy as this country is, wind power surprisingly hasn't been tapped into. but inside a former coal plant,

renewable energy concept. >> it's really simple. simple construction. simple works. the more simple the system is, the longer it lasts. >> reporter: simplicity as the inventor sethor askerson explains is the key to wind power here. iceland is so windy, traditional turbines can spin out of control. anderson has developed a unique turbine called the cw-1000 and the science behind it lies in the precisely engineered blades. >> so this is obviously basically -- it spins on a vertical axis. the wind comes in, say it's coming in from over here. then this blade over here actually catches the wind. while the blades on the opposite side is actually going against the wind. >> reporter: the end result is a turbine that can slow itself down without needing expensive mechanical brakes which can fail in traditional turbines in high winds like this one did in denmark. >> so there is such a thing as too fast?

>> reporter: askerson, who created the company ice wind, in 2012, has been tinkering with the design for years. from earlier versions like this one in 2007, to today's more refined model. >> is there a future for wind energy in iceland? >> yes, definitely. we expect the cost to decrease -- >> reporter: jonas kettleson with iceland's national energy authority says even if the island is already 100% sustainable there's always room in iceland for new forms of cheap green energy. >> after our financial crisis that we encountered a few years back, people had to rethink. and i think it did bring us a lot of good ideas. and those ideas are gaining momentum now into small projects that are becoming something large. >> reporter: and thinking big is something sethor askerson hopes

the near future. cbs news, reykjavik, iceland. a new exhibit gives access to king tutankhamun's wet nurse. discovered in 1996, has never before been open to the public. the nurse called maya lived over 3,000 years ago. her tomb includes several rooms decorated with scenes of her and the young king. still ahead, a bus involved in a deadly crash on a texas

one person was killed in a texas bus crash this morning. a greyhound bus slammed into an

barrier on interstate 30 in arlington. a woman in the suv was killed. 17 people were hurt. police say most of the injuries are not serious. the latest "star wars" movie "the force awakens" blasted the million box office take this weekend. but the force was not with one hollywood theater. >> no, no! >> reporter: fans say the projector broke three times during an opening-day showing. they got their money back. a shelter in indiana has found all of its animals homes for the holidays. over 150 pets were adopted in just 24 hours after the shelter, vanderberg humane society, waived its adoption fees. and of course once people got a look at all those little faces. irresistible. a crisis counselor with a

through tragedy. woman: what does it feel like when a woman is having a heart attack? chest pain, like there's a ton of weight on your chest. severe shortness of breath. unexplained nausea. cold sweats. there's an unusual tiredness and fatigue. there's unfamiliar dizziness or light-headedness. unusual pain in your back, neck, jaw, one or both arms, even your upper stomach, are signs you're having a heart attack. don't make excuses. make the call to 9-1-1 immediately. learn more at womenshealth.gov/heartattack. while i was on a combat patrol in baqubah, iraq, a rocket-propelled grenade took my arm off at the shoulder. i was discharged from the army, and i've been working with the wounded warrior project since 2007. warriors, you don't have to be severely wounded to be with the wounded warrior project. we do have a lot of guys that have post-traumatic stress disorder. being able to share your story, i guess it kind of helps you

what did happen over there. my name is norbie, post-traumatic stress disorder,

finally tonight, a woman who has spent her life counseling survivors of tragedy only to become a survivor herself in san bernardino. maria villarreal has her story. >> reporter: angelique robinson has helped others in their worst moments, like after columbine. >> there is something that is so profoundly important about being with someone in the most horrific time of their life. >> reporter: on a routine morning at the inland regional center -- >> i'd just finished my first assessment for the day. i heard gunshots. several people yelled "they're shooting at everybody." i saw the reaction on people's faces and the horror.

immediately tried to call mothers, especially when s.w.a.t. officers burst in. >> weapons are pointed away from us. and that means they're the good guys and they're protecting us. >> reporter: when they were brought outside and saw the dead >> it was horrifying. it was absolutely horrifying. >> reporter: robinson convinced herself she was fine. until she wasn't. >> i think my entire family noticed a change in me. i was panicked. i was jumpy. and i was irritable. >> reporter: but the crisis counselor couldn't diagnose herself. >> i had to hear that from someone else, for me to be able to accept that i was traumatized. physical wounds, we all got injured. i should be grateful. but there is a hefty dose of survivor's guilt. and i didn't get hurt. and there is so much pain. that sense of helplessness.

reach out more, and i can't do more. >> reporter: robinson says the toughest time will come when san bernardino fades from the headlines. >> they're expected to go back to everyday life. when the reality is that for so many people, the return to everyday life is very, very far away. so to see the rest of the world move on is another kind of an injury. >> reporter: one that she says will only heal with time. maria villarreal, cbs news, los angeles. >> that's the "overnight news" for this monday. for some of you the news continues. for others check back a little later for the morning news and "cbs this morning." from the broadcast center in new

this is the "cbs overnight news." welcome to the "overnight news." i'm elaine quijano. the democratic presidential contenders held their final debate of the year. it started off with an apology from bernie sanders. and ended with the candidates showering each other with compliments. things might get more heated in the final six weeks before the iowa caucuses though. tracker shows hillary clinton leading sanders by 5 points in iowa. but in new hampshire it's sanders by 14 points. julianna goldman has more. >> thank you, good night, and may the force be with you.

behind her, a confident hillary clinton deflected attacks from bernie sanders and martin o'mally while setting her sights on the republicans, especially donald trump. >> he is becoming isis' best recruiter. they are going to people showing videos of donald trump insulting islam and muslims -- >> reporter: sunday the gop front-runner said those claims are unsubstantiated. >> just another hillary lie, she lies like crazy about everything. >> reporter: instead of personal insults democrats focused on policy disputes. >> our differences are fairly deep. >> reporter: most of the debate covered national security. sanders hit clinton on her 2003 vote to authorize the iraq war. >> secretary clinton is too much into regime change and a little bit too aggressive -- >> senator, you voted for regime change with respect to libya. >> reporter: and on the economy. >> should corporate america love hillary clinton?

>> they ain't going to like me and wall street is going to like me even less. >> reporter: o'mally, who's trailing in the polls, attacked his opponents on gun control -- >> and it's because of the flip-flopping political approach of washington that both of my two colleagues on this stage have represented there for the last 40 years -- >> whoa, whoa, whoa, whoa, whoa -- >> we need common sense -- >> calm down a little bit, martin. >> reporter: with a simple apology, sanders and clinton did calm a tense dispute over a data breach after sanders staffers accessed clinton campaign voter files. >> we should move on. i don't think the american people are all that interested in this. >> the sanders campaign has suspended two more employees who accessed that clinton campaign data, that's on top of the staffer fired last week. elaine, clinton said saturday night if elected bill clinton would be a key economic adviser but she'd probably still pick out the flowers and china for state dinners. >> julianna goldman in washington, thank you.

battle lines are emerging between two sets of candidates. marco rubio and ted cruz are fighting to become the establishment candidate. while donald trump and jeb bush have been tossing insults at each other. john dickerson spoke to both rubio and bush for "face the nation." >> senator, what is this debate between you and senator cruz about on immigration? >> ted was much -- was open. and in fact was a supporter of legalizing people that were in this country illegally. he was during the debate on the senate bill. he was after the debate on the senate bill. he made it clear multiple occasions that he was against citizenship but he was open to legalization. and then for weeks now on the campaign trail he's refused to answer that question until the other night at the debate when he said he did not intend to legalize people. again, trying to find himself some wiggle room. and so the bottom line is that difference between him and i how to approach immigration. that was the point i was trying to make. this is a serious issue and it

republican running for president has supported or supports legalization in some form or fashion of people in this country illegally, even donald trump. he just wants to make them leave the country first then he'll legalize them. >> is it about immigration or are you making a larger charge about ted cruz and whether he's being honest and truthful with people? >> i think ted wanted to not talk about legalization during the primary and leave himself the option of being for it in a general election. obviously i don't think that's fair to the electorate. it's not the first time. there are multiple issues on which he's tried to do these sorts of things. for example, when the free trade agreement was up he wrote an opinion piece in "the wall street journal," he wrote it with paul ryan. three days later he flipped on it. i don't know why, he got some pressure on the fast track authority. he's done it on votes on farm issues. changed his vote on the floor of the senate. there's always some of that. because new facts are presented. i think my concern, if you're going to attack someone on a

clear about where you stand on theish issue and where you stood in the past. >> when voters are making their decision should they be thinking about, what does ted cruz think about immigration? or the larger issue, is ted cruz being honest? >> when you spend your time telling people you're a clear talker, you say what you mean, everyone else is a sell-out and you're the only purist, i think it's fair toes, hold on a second. here's where you've been in the past on some issues and here's where you are now. the truth is everyone running on the republican side supports strong conservative positions. we have differences and we should discuss those. national security, for example. when you run by telling everybody you're the only purist in the field, the only one who's a consistent conservative, then your record is going to have a light shone on it and in this case has proven well after the immigration debate ended he was still talking about how he was open to legalizing people and how important it was to bring people out of the shadows and so forth. >> how much of a national security issue do you think it is there is now an open conversation in the republican party about banning muslims from america and that a majority of

right now do you think that's a national security problem? >> well, the statements that people have made, it's not a serious policy proposal. so it was made for the purposes of recapturing the headlines. i mean, donald trump had fallen out of the headlines, rightfully, we had the largest terrorist attack in american history since 9/11. he wanted to get back in the headlines and came up with something spectacular and outrageous so that people would respond to it and he could recapture the headlines. it's not a serious proposal. >> you in a rally in new hampshire said trump is a jerk, a chaos candidate, he's not serious and can't insult his way to the presidency. aren't those all insults? are you trying to insult your way to the presidency? >> no, i'm trying to point out he's not a serious candidate. his answer about the nuclear triad, for example, was mind-blowing. i mean, not having any knowledge about what the subject is, where you have this exclusive responsibility of the president of the united states as commander in chief of the armed forces to know when and how to

he has no knowledge about this stuff. he thought -- now he's come out saying putin is a strong man and a great guy, when he's trying to destabilize our relationship with our allies. he's not a serious candidate. >> why is the nuclear triad so important, for people who don't understand what that is in a something people are so concerned about? >> it's important because it's been part of the security arrangement that has kept us safe since the post-world war ii era. and we've seen a lack of investment in it and we need to refurbish it and strengthen it. the fact that he wouldn't know what it is, that's one of those questions i think you have to answer in a thoughtful way if the united states. it's not just that. months ago. he get gets his news from the shows. i know that warms your heart that he wakes up in the morning and gets his foreign policy and military advice from people that go on your show but that's not a serious man. and i don't take -- look. when he insults me personally, i

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gucci guilty the fragrances for him and for her. the term confidential informant can conjure up images out of a hollywood movie. a police officer going undercover to infiltrate the mob and bring killers to justice. but in reality, many kids coaxed into working for the police after a minor drug bust. the work can be dangerous or even deadly. the report for "60 minutes." >> how's it going today? >> all right. >> it's your birthday today? >> yeah. >> not what you want to be doing on your birthday, huh. >> reporter: what you're looking at is police footage of the making of a confidential informant. narcotics officer jason webber

caught making two small marijuana sales to become a ci. >> you expressed interest you'd want to help yourself out. >> yeah. >> we're always trying to go up the chain. so what we want to go is have them buy from their supplier or suppliers. >> reporter: webber is the chief of a four-county drug task force in eastern north dakota and western minnesota. how important do you think confidential informants are to your task? >> confidential informants are really important to law enforcement across the country. they make our jobs easier because they are already the ones that know the drug dealers and rely on them. >> most of the kids that you're recruiting are caught for marijuana sales? >> the big majority, yeah. >> reporter: webber's jurisdiction includes the campus of the north dakota state college of science with some 3,000 students. marijuana is now legal in four states and the district of columbia.

where selling even a small amount on a campus is a class "a" felony with a maximum sentence of 20 years in prison, a fine of $20,000, or both. >> two felonies. >> reporter: this young man andrew saddic was caught on tape by another confidential informant making two sales for a total of $80. webber has called saddic in before charging him to present a choice. agree to work as a ci, wear a wire, and make undercover drug buys from three people, twice each. or be charged with two class "a" felonies. >> potentially the max is 40 years in prison, $40,000 fine. do you understand that? >> yeah. >> obviously you're probably not going to get 40 years. but there's a possibility you're going to get prison time. if you don't help yourself out, yeah, there is. okay? that's probably not the way to start off your young adult life and career, right?

deal. webber told us most students do. part of the agreement he signed, keep the whole thing strictly to himself. >> you can't tell anybody you're working for me. for obvious reasons. >> reporter: an award-winning student of electrical technology, andrew saddic did as he was told. never told any of his close friends about being an informant. never called a lawyer. and didn't breathe a word to his parents, tammy and john saddic. the saddics are a ranching family, still struggling with the dead of their older son in a train accident years earlier, leaving andrew an only child. >> if andrew had told you that he was thinking of becoming a confidential informant what do you think your reaction would have been? >> oh -- well, we'd have gotten him a lawyer and told him no. >> we've never heard of such a thing. he's a college student. snitches, whatever you want to call them, stool pigeons, i don't know what you call them, you know.

who would allow or want their child to serve as a confidential informant. >> to set up a drug deal. >> yeah. it's too dangerous. i wouldn't want my child to do it. >> reporter: lance block is an attorney in tallahassee, florida, who opposes using young people caught for relatively minor offenses as confidential informants. >> these kids are being recruited to do the most dangerous type of police work, going undercover with no background, training, or experience. they haven't been to the police academy. >> they are basically doing the same work as a trained undercover cop? >> absolutely. >> reporter: block says he was unaware police were using young people as confidential informants until he was hired seven years ago by the family of rachel hoffman, a recent college graduate who was caught with a large stash of marijuana and a few valium and ecstasy pills. it was her second marijuana arrest. >> she was caught by a

and told that if she didn't become a confidential informant, she was looking at four years in prison. >> reporter: she signed up. and a few weeks later was sent out to make her first undercover drug buy. it was to be one of the biggest in tallahassee's recent history. 15 hundred ecstasy pills, 1.5 ounces of cocaine, and a gun. >> had she ever dealt in any of those things? >> no. >> a gun? had she ever fired a gun? >> no. rachel was a pothead. and rachel sold marijuana to her friends out of her home. but rachel wasn't dealing in ecstasy or cocaine, much less of course not weapons. >> reporter: rachel drove her car alone to meet the dealers in this park with $13,000 cash from the police and a wire in her purse. she was to be monitored by some 20 officers. but then the dealers changed the

drove away from the police staging area, and that's when things went terribly wrong. >> the drug dealers have her out on this road. one drug dealer gets into the car with her. >> and the 20 cops who were nearby? >> they lost her. >> hoffman is 5'7", 135 pounds -- >> hoffman was seen near forest meadows park -- >> they shot her five times when they found the wire in her purse and dumped her body in a ditch 50 miles away. >> reporter: rachel hoffman's tragic death turned block into an advocate. he sued the city of tallahassee and won a $2.8 million settlement for rachel's parents. and he has argued for more openness and greater protection for confidential informants ever since. >> do you have any sense of how many confidential informants there are? >> law enforcement is loaded with statistics. but you cannot find out any

confidential informants that are being used across this country, much less the number of people who are being killed or injured -- >> no one's keeping statistics? >> no one. it's a shadowy underworld is what it is. >> we want to make more cases, we want to make better cases that can get prosecuted, informants can do that. >> reporter: brian solis is a longtime undercover narcotics officer who believes a shadowy underworld is exactly what working with cis should be shadowy to protect informants' identity, an underworld because that's where cops like him want informants to take them. >> who knows the most about the dope trade? us, working narcotics? no. who is it? the sellers. the dopers. >> reporter: solis says he's works with hundreds of informants and now trains police officers around the country on how best to use them. >> if you had not been able,

informants, would you have been as effective? >> nowhere near as effective. >> you really feel you need to? >> i know i would not. i may have to watch a house for days or weeks to establish probable cause. my informant goes and makes a buy out of it, i have my probable cause in five minutes. you can get into cases quicker, easier, some respects safer. >> i'm surprised you say safer. because we've heard about kids who have been killed doing these operations. >> it's a dangerous trade that they're involved in. >> yeah. >> they are in that drug trade, they've always been facing that potential danger. >> reporter: he estimates there could be as many as 100,000 confidential informants working with police across the country. he says with just a few tragic exceptions, it's a win-win. a win for society and a win for the ci. >> they have agreed to do what they are doing in exchange for something. that's the bottom line. when somebody comes to work for me as an informant, it's their

>> reporter: police tell us this is completely voluntary and they want to do this to get rid of the charges. >> it's not something that college kids are standing up saying, i want to be a ci. it's not voluntary, they're being told they're looking at prison time unless they agree to do deals for the police department. >> reporter: and there are some important things they're not being told. >> what if you catch me selling $60 worth of marijuana? what do you say to me to become an informant? >> i'll say, this is the charge. this is a felony. do you want to help yourself out? >> do you tell me that i have a right to talk to a lawyer? >> no, i do not. i tell you you have a right to talk to a lawyer if i'm going to ask you incriminating questions. if we're talking about you becoming an informant, i don't have to tell you that you have the right to a lawyer. >> you can see lesley stahl's full report on our website

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adele's new cd has only been out for a few weeks but it's already the biggest-selling album of 2015. and when she announced her first north american tour in five years, the tickets went like hotcakes. fans lined up outside ticket windows for hours. others sat by their computers trying to buy seats online. and most of them came away empty-handed.

>> tickets went on sale for 56 arenas that seat thousands of fans. adele's team went to great lengths to keep tickets out of the hands of so-called secondary sellers who buy at retail then jack up prices. tickets are showing up on sites like stubhub for thousands of dollars. hello it's me >> reporter: adele is the reigning queen of heartbreak. now many fans feel her pain. after trying to buy tickets on thursday, some received this message instead. no seats available. hello from the other side size >> reporter: memes like this made the rounds on social media. hello from the ticket line. i've clicked refresh a thousand times. at least i can say that i've tried >> people were upset. they were weeping big adele tears while listening to adele

tickets. >> reporter: her new album "25" has sold more than 5 million copies and is the top seller of the tour sold out and almost immediately tickets were posted on sites like stubhub, premium seats almost $10,000 at madison square garden in new york city. i will wait for you >> reporter: a secondary ticket market now estimated to be worth a reported $8 billion a year. earlier this week the group mumford and sons posted on a blog saying, we want fans of the band to be able to get into our shows for the right price, to see that they've got value for money. adele's team says it worked hard to ensure her concert tickets went directly to her fans. she's one of many artists who work with songkick, the site works to weed out secondary sellers by managing ticket sales through an artist website or fan club. still -- >> virtually everything that has been created to try to shut out scalpers has been conquered by

>> reporter: adele's management team had no comment when we asked about fan disappointment over thursday's sales. but the singer's manager earlier said they have done everything within their power to get as many tickets as possible in the hands of fans. help a child achieve the dream of a higher education. cbs cares. organ donation can truly provide a second chance at life. find out how you can help someone in need be a real survivor. go to donatelife.net. cbs cares. want to do something special this christmas? support i have a dream foundation. help a child achieve the dream of a higher education. cbs cares. when the engines failed on the plane i was flying, i knew what to do to save my passengers. but when my father sank into depression, i didn't know how to help him. when he ultimately shot himself, he left our family devastated. don't let this happen to you. if you or a loved one is suicidal,

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steve hartman found a story of christmas kindness on the road. >> i remember kind of just like looking up at the sky and being like, god, are you sure about this? because i'm pretty happy right now. >> did it feel like that, a calling? >> it felt like a calling but i tried to reject it for about two months, it was too outlandish. >> reporter: what eugene felt called to do was one really big random act of kindness. he didn't know who he was supposed to help or how. all he knew was that he had to help someone and it had to be life-altering. and that's when a video came

it was a video of a guy he never met, arthur renowitzki, a paraplegic in a t-shirt with bold letters of bold defiance. after being mugged, shot and paralyzed eight years ago arthur vowed he would walk again someday. when eugene heard about that he called arthur immediately. >> he wasn't going to give up until i was walking again. >> to walk again? >> to walk again. >> you don't have a medical degree? >> i have a film degree. >> which makes you wonder, how were you going to make him walk again? >> this is the part i had no idea. at the time. >> reporter: eventually, though, he learned about this exoskeleton device that can help some people walk again. unfortunately it costs $80,000. to pay for it eugene quit his job at a research company in northern california to hike. from the california/mexico border to canada. >> we're going! >> reporter: along the way he posted videos of the adventure and asked people to donate on social media. until around about mid-washington state -- >> we did it! we did it!

goal. >> you're going to walk! whoo! >> reporter: and again, all this to help a total stranger. >> yes! >> to quit his job. to go into debt from doing this. >> reporter: eugene yun felt called to make a difference in someone's life. but when he heeded that call he had no idea what a difference he'd make. until proof rounded the corner. this is the first time eugene got to see arthur walk. >> oh my god. i'm so happy for you. >> thank you, brother. i call him my brother now. we are brothers. i'm just very thankful to have a friend like him. i wouldn't be here, man, if it wasn't for you. >> reporter: makes you wonder. that little voice eugene heard, was that ever about helping someone with a hardship? or was it about helping two someones with a friendship? steve hartman, on the road in castro valley, california. >> that's the "overnight news" for this monday.