them sporadically. you'll never know when a girl that you pull up on and you interact with and talk to and solicit could turn out to be a police woman and you'll get arrested. because san francisco doesn't want your business. from the privacy of homes across america fantasy girls from the web promise to fulfill every man's desire. in record numbers men troll the web and the streets desperately

seeking sex for cash. but it's buyer beware in san francisco. >> you're under arrest for soliciting prostitution. >> as police cast a bright light on the johns who operate in the shadows. >> would you please get rid of that camera? >> tonight msnbc gets up close and personal -- >> what's your wife going to say? >> with men rich and poor. >> sir, do you speak english? >> i don't understand well. >> and learn about the very real danger trafficked women face from the men who buy. >> i'll take the front, you take the rear. >> in san francisco, those on the hunt for women become the hunted as san francisco police

draw a line in the stand. [ sirens ] >> turn off your engine. step out of the car. turn around, face the car, put your hands behind your back. >> it's buyer beware where eight times a month the inspector and his team cuff the everyday johns who try to pay cash for sex. >> i don't say nothing. >> are you on probation or parole? you're under arrest for soliciting prostitution. >> having worked vice since '99, he's seen more than his share of ugly when it comes from the men who buy and the men who sell. >> the pimps like young girls because you have clientele that wants to prey on young girls. that gets me more than anything else, these young girls. i think 11 years old one girl was, they are being victimized by this. that's one of the things that hits home with me. >> probably going to get a ticket and be on your way in 20 minutes. >> san francisco pd thinks

attacking demand is the best way to keep the vulnerable from being exploited. >> are the keys in there or do you have them? >> they don't come out, it's a rent at car. -- rental car. >> what do you mean they don't come out? >> it's a zipcar. >> this man gets cuffed. >> is your wallet on you? we're going a short distance where we're going to find out if you're eligible for a citation or not, okay? >> all right. >> police suspect this man is not new to the crime of buying sex. he tried to pick up an undercover in a car that was rented by the hour. >> registration 2013 zipcar. >> so this is a zipcar? >> yes. >> what's a zipcar? >> one of those rental cars that people don't need to go through the rental car companies but they pretty much set up an account on line and go to the parking garage and grab their vehicles. >> experienced johns often use rentals to prevent personal vehicles from being confiscated which can lead to awkward conversations with unsuspecting partners and wives.

not surprisingly juan is not pleased about being exposed. >> why does this have to be on camera? can you turn it off, please? >> i can't turn it off. >> can you guys turn it off, please? hello? >> we know very, very little about these invisible subjects of the sex industry. >> go ahead, have a seat, please. >> researcher melissa farley says exposing and arresting johns long overdue. she says criminalizing and studying their behavior is essential to stop trafficking. >> if we want to learn how to stop prostitution, we really need to know a lot about how men think about prostitution, how they make the decision to buy sex. >> anti-trafficking experts believe men will make different decisions and think twice about buying women if other police departments follow san francisco's lead.

the shock and shame of first-time arrestees like juan ochoa will help many stop what is criminal behavior. >> a letter from san francisco district attorney's office. it outlines a class, which is something you might consider. you can decide whether you want to go to the class. >> since he has no previous arrests, he will qualify for first offender prostitution program or john school. >> this is an opportunity to learn from a mistake you've made and not let it happen again. >> instead of jail time, first time johns pay steep fines and spend a day with other arrestees learning about the grim reality behind prostitution. >> i see anywhere three, six, seven people a day. sometimes i couldn't shower between, i would just wipe myself off. i'd like down, oops, there's

come on my leg. >> i want to give you the opportunity to talk to me about what happened. listen to me, should you choose, one, i'm going to tape record the conversation. two, i'm going to read your rights. do you want to talk to me? >> no. >> relieved not to be going to jail, juan relaxes and opens up to our cameras. >> have you ever been here before? >> no. >> first time? >> yes. >> do you know what human trafficking is? >> okay, thank you. >> that guy seemed like he was in a state of shock. did he appear to be a first timer? >> you never know. he chose rather to engage the girl at the corner there where she was standing like a lot of guys do, he chose to drive half a block up and walk. it's not common for a guy to

pull up and wait for a girl to come up to him. >> that takes a certain amount of knowledge. >> that would be my guess. >> i think there's almost a desire today to see johns as kind of banal good guys who can't get laid. what this study says is it's a little more ominous than that. >> farley says there's a darker side to men who habitually buy sex. a 2010 study on johns concluded that men who regular ly bought sex committed more violent acts and wanted more complete power over women. >> it wasn't just a pretty face they were buying. they wanted the absolute control, the you do what i say sex. >> that's going to be self-er toyota corolla. >> having worked the meanest streets of san francisco, he says the public doesn't

appreciate the daily dangers exploited women face. >> i just think people don't give a hoot at all other than to realize that these women are victims. they aren't the bad guy in all this. >> they're park, still in negotiations. >> copy. walking away. >>ai they're giving the signal that something's wrong. [ siren ] >> in pursuit of the decoy's customer, he hangs back waiting for the go sign. >> i have it confirmed. confirmed we have a case. confirm we have a case. [ siren ] >> confirm if we have a case or not. i've got the guy stopped at polk and setter. >> standby, i'm asking.

yeah, she stead's just a loitering -- she said it's just a loitering thing. >> copy. >> this john offered the decoy cash for oral sex. when she hesitated to get into the car, the prospective buyer took off. >> how are you doing, sir? >> i'm doing fine. >> mind turning off the engine. that girl you were talking to is a police officer. let me sigh your hands when you step out of the car, please. >> officers walk the john to the staging area where detectives identify him as ronald clark, a man with a past. >> he has an sf. what were you arrested for before? >> pardon? >> what were you arrested for before? >> robbery and rape. >> how long ago was that? >> back in the '70s. >> okay. >> clark, a convicted felon who served time for robbery and rape now faces a loitering charge. clark's violent past makes him ineligible for the first offender program. he will have to face charges in court.

>> one of the main findings that was surprising to me was the difference in the number of criminal activities. >> do you want to talk to me about what happened? >> not really. >> okay. >> the men who were buying sex, the johns, were committing a whole lot more felonies, misdemeanors, crimes associated with violence against women. they were also committing more physical assaults. >> are you married? what's your wife going to say? >> i don't know. [ mom ] with life insurance, we're not just insuring our lives... we're helping protect his. [ female announcer ] everyone has a moment when tomorrow becomes real. transamerica. transform tomorrow.

[ female announcer ] the internet gets more exciting the faster it goes. that's why, coming soon, xfinity will double the internet speed on two of our most popular plans. xfinity continues to innovate, bringing you the fastest, most reliable internet, period. [ heart beating ] xfinity internet from comcast. double the speed. [ heart beats ] >> san francisco's anti-trafficking efforts start here behind closed doors and after hours at the police department's special victims unit. >> today we're going to be an operation in the mission district. >> after two decades in vice,

inspector steve ravella says women sold for sex are victims of abuse. >> if you go back earlier in their life, something led them into this, whether it was a lousy childhood and they are looking for a family, because that's what these pimps sell, a family. a lot of girls buy into that are looking for it. >> prostituted are 40 times more likely to be murdered. tonight all eyes will be on tammy, the veteran undercover decoy. >> what's the going rate in the mission for oral sex or intercourse. >> it depends. usually around $40 or $60. that's what we offer when we're the decoy. usually around $40 to $60. >> does it give you an appreciation for how hard they work to make the money their traffickers demand? >> not only the money but their safety is a big thing. they are out there jumping into cars not knowing who they are

getting in the car with. so, you know, these girls are out there putting themselves in danger when they are working this line of work. >> tonight the seedy mission district corner will be tammy's post. besides fighting the nighttime chill, the decoy and her close cover must keep a lookout for the dangers that come in a high drug trafficking neighborhood. >> are you able to copy the wire? copy. >> tammy's wire is her lifeline. >> this white honda van. you got eyes on it, steve? >> yeah, i see her going over to the van but don't know with the headlights shining on me if i'm going to be able to see her giving the signal. >> there's a lot of cops on the street.

>> copy. >> a lot of these guys that are repeat offenders, they won't discuss anything with the girl. they tell them to get in the car. if the girl won't get in the car, they drive away. >> because they know. >> they have already been through it and they know. >> as tammy returns to her corner, she alerts officers to a pimp who was checking her out. pimps often pose the biggest threat in the sting operation. >> when pimps come by, are they trying to scare them off the corners? >> they are hoping the girl will make eye contact with them. if she makes eye contact, it's a term called out of pocket. if she has a pimp and looks at another pimp, that gives the green light to the pimp to get her and bring her to his stable. >> can you believe those rules are for real? i mean, how can you prove that you're out of pocket? >> we had decoys in california and sacramento, one of the

decoys was standing on the corner and the pimp drove by. she wasn't really aware he was a pimp and looked at him. and the guy stopped the car with the engine running, came to the corner, and said, "you're mine, i own you." she gave the signal and we got the guy. that's how bold they are. >> it takes a few minutes before tammy signals she had a buyer. >> the signal. >> move in, move in. approaching the corner. >> the john, a working man on his way home, finds himself in cuffs. >> speak english? >> no. >> that girl you talked to is policia. >> no. >> yeah, you're under arrest for talking about sex for money. okay? >> okay. >> we're going to take you back to an area and talk to you further

and maybe give you a ticket. okay? >> officers quickly whisk the john off the corner and take him out of view. >> how tall are you? >> i don't know. >> 5'6". >> how much you weigh? >> 175. >> 175. >> i think so. >> meet 32-year-old restaurant worker, gil benitez. >> hair black, black or brown? >> as he's processed, tammy tells our producer that based on the way he negotiated a sex act, this john is no first-time buyer. >> you indicated that he probably with done this before. >> during our conversation he had agreed to go with me to my hotel room. he asked if there's anybody there, because in the past when he's gone to somebody's room, there have been other people there. >> tammy says most men caught in san francisco john stings are experienced buyers. >> are you married?

>> yes. but tomorrow i'm divorced. >> but tomorrow you're divorced. is she going to be mad if she finds out? you live with your wife? >> no, right now she's on vacation. >> uh-oh. >> yeah. you know, the wife is on vacation, the men are stupid. >> the men stupid. when the women go on vacation, the men are stupid. that is correct. >> not everybody. >> but some men. >> not everyone. >> this is not your first rodeo. this is not the first time you've done this. >> it is my first time. >> no, this is not the first time you've done this. do you know how i know? >> to me? >> i came to you? no. i most decidely was not working with you. do you know how i know it's not your first time? by the questions you asked. you asked if somebody was back

at the room because that's happened before. so come on, be honest. this is not your first time, is it? why do men do this? >> that's it. everybody -- >> it's dangerous. it's dangerous. what about the health of your wife? >> it's too late. i'm sorry. >> sfpd said it might surprise the public to know most johns like benitez are married men or in committed relationships. chances are their wives, like gil's, have no idea what their spouse is doing. >> that circled x, i need you to sign your name. [ speaking spanish ] >> he wants to know his options if he doesn't sign.

>> you go to jail. [ laughter ] >> okay. >> gil, are you going to do this >> stupid. >> what's your wife going to say? >> nothing. give me a divorce. >> give you a divorce. >> my wife, she's special. >> she's special. does she know that you do this? it's dangerous for her. >> for everybody. >> for everybody. also the girls who are selling themselves, they are not happy people either, are they? yeah. okay. well, i hope i don't see you again, gil. >> thank you, everybody. >> bye. >> after a polite exchange, benitez now knows a bigger drama awaits him at home.

ravella says benitez will likely qualify for johns school. >> these guys that are first offenders are given an opportunity, if they choose to do so, to go to a class on saturday for eight hours and get educated why they shouldn't do this. the health department teaches at the class the ramifications if you interact with girls you get those diseases. if you get those diseases, guess where you're bringing them. you're bringing them home with you. they get educated on that. if you learn from their mistake, they won't be out here again. >> you're under arrest for soliciting prostitution.

that little white truck parked ahead of you right there, just pull in behind that. >> it's happy hour on a week night when san francisco police department's vice unit rolls up on a corner notorious for drugs and prostitution.

>> try to stay west of pike street. >> the inspector says sting operations like this aren't just in response to trafficking but in direct response to people living here. >> you have pimps arguing with each other. people stopping to talk to the prostitutes, traffic backing up behind them, so the people who aren't out here for that purpose are honking the horns and stuff. all these people that live around here at night, all this commotion going on all night long and it affects them. >> undercover officers working the johns unit get in position at a busy intersection where johns stop to buy car sex on their way home to the suburbs. >> she's talking to the guy, can you tell what they are discussing? >> within minutes a guy with a backpack stops the decoy.

>> blow job -- >> as the man walks away, the undercover signals she made a deal for sex. >> a loiter. >> and the chase is on. >> we're going to get a little ahead of him. >> south on high. wearing that backpack. >> take your hands out of your pockets. >> relax. relax. >> put your hands behind your back. relax. that girl you were talking to was a police officer. >> i don't mean it. >> listen to what i say. then you can talk. the girl you were talking to is a police officer. you're under arrest for soliciting prostitution.

>> i do anything, i just -- i'm not here tomorrow. i'm just -- >> sir, i want you to understand what i'm telling you. we're handcuffing you because you're under arrest. you're under arrest for talking about prostitution with the young lady on the block. she's a police officer, okay? have you ever been arrested before? >> yes. >> for? >> same thing. but i didn't do anything. >> do you have any warrants or anything like that? >> nothing. >> sounds like you might get a ticket and be on your way in about 20 minutes if you cooperate. okay? >> to us this kindly tibetan gentleman looks more like someone who would fight trafficking rather than a predatory john but we are dead wrong. he's actually been arrested twice for trying to buy sex. the john is identified as 63-year-old organ serring from

california. >> i don't want to be filmed -- >> he has good reason not to be exchanged as a john. we find he's a kindergarten teacher across the bay in berkeley. not only has he had previous arrests for solicitation but he's married and has a wife. >> look at the camera. thank you. >> because he made a deal for oral sex on a different day, he'll be charged with loitering instead of solicitation. >> everything i explained to you, you're going to get a copy of, okay? >> okay. >> instead of going to jail today, you're going to get a ticket. you're getting a ticket for loitering for the purpose of prostitution. >> his arrest serves as a stark reminder that men who engage in any kind of talk of cash for sex are committing a criminal offense.

>> without admitting guilt, i need you to sign your name. >> while he faces a misdemeanor charge, the social consequences to work and family can be serious and long lasting. >> you have everything? you're free to go. >> after hundreds of johns arrests, the inspector offers insight why so many married men seek sex from the streets. >> they have needs, fetishes, things they want that they don't feel comfortable with an average woman, their wife, girlfriend. so they go out and buy a girl and she'll do it. i think that's probably the mindset of a lot of individuals. >> a 2010 study of johns concluded that most habitual buyers of sex are married or have girlfriends. >> the johns are buying specific sex acts that their girlfriends will not do or are not comfortable doing.

in the united states today that is usually anal second or oral sex. >> the woman that you talked about sex for money with, she's a police officer. >> but i think what a date is for. the cadillac summer collection is here. ♪ ♪ during the cadillac summer's best event, lease this 2014 ats for around $299 a month and make this the summer of style. ♪

could help your business didavoid hours of delaynd test caused by slow internet from the phone company? that's enough time to record a memo. idea for sales giveaway. return a call. sign a contract. pick a tie. take a break with mr. duck. practice up for the business trip.

fly to florida. win an award. close a deal. hire an intern. and still have time to spare. check your speed. see how fast your internet can be. switch now and add voice and tv for $34.90. comcast business. built for business. i'm page hopkins. here's what's happening. the first major ground battle in two weeks of fighting killed 13 israeli soldiers and 65 palestinians in gaza today. the united nations security council is holding an emergency session now talk about the crisis in gaza. firefighters in washington state are hopeful the cooler temperatures and lighter winds in the forecast will help in the battle against massive wildfires. some 360 square miles are burning at this hour. now back to msnbc "undercover."

it's nightfall on a busy tenderloin corner. on a first-name basis with most of the transgender prostitutes. >> this track here is a transgender track unfortunately. unfortunately they aren't in a position where they can get jobs and stuff. they are forced to do this. it is a crime. it affects the neighborhood. it affects the people living around here. when it affects them, we as a police department have to enforce the laws. >> this is close to the hub of union square. >> talk to the guy in the black jacket. >> business is booming and the decoy quickly gets a hit. >> they are going to go to her place. they are going to go to her place.

>> has she given the signal yet? >> we're good. we're good. >> the team corners the john, who turns out to be a tourist. >> sir, police. police. just relax. don't do anything stupid. take your hands out of your pocket. put your hands behind your back. that girl you're talking to is a police officer, okay? you're under arrest for soliciting prostitution. >> i don't understand. i'm not -- >> i'll talk slowly. >> yes, please. >> you're under arrest. >> okay. >> the girl you were talking to is a police officer. the woman you talked to and talked about sex for money with is a police officer. >> i think what a date is for. that's -- >> i'm just explaining why you're under arrest. >> you're going to be taken a block from here. we're going to possibly give you a ticket and you're going to be on your way. okay? >> okay, okay, okay.

>> as he is walked to the processing area, the john tells police he's a student visiting the u.s. to improve his english. >> this one that. >> yes. >> that's perfect. international. >> sit down right here. >> in his wallet they find a swiss driver's license for a bertrand fumeaux. >> a date for me is not sex. >> the tourist claims he the decoy confirms she recorded fumeaux offering $60 for oral sex. >> look at me.

>> can't smile. >> without admitting guilt, promising to appear where that circled x is, sign your name, please. >> i have to sign. >> if you don't want to sign it, i have to arrest you and put you in jail. >> okay. i don't have a choice. >> take care. >> lucky for us, our cameraman, mark, speaks fluent french. [ speaking foreign language ]

>> you can leave. you're free to go. >> he'll likely have to return from switzerland to attend johns school or have his day in court. he's taken a shine to mark and tries to convince us the decoy is at fault.

>> though he claims the decoy misinterpreted his motives, ravella isn't buying it. >> if he thinks it's unjust he can go to court and protest it.

he didn't have to stop and have a conversation with her. he didn't have to discuss what they discussed. he could have kept going. he made the decision on his own and now he has to suffer the consequences. >> you're under arrest for a prostitution-related offense. >> would you please get rid of that camera. no matter where you want to be or what you want to do, chances are we're already there. 12 brands. more hotels than anyone else in the world. like super 8, where every destination is super. save up to 15 percent and earn bonus points when you book at wyndhamrewards.com for over 19 million people. [ susan ] my promotion allowed me to start investing for my retirement. transamerica made it easy. [ female announcer ] everyone has a moment when tomorrow becomes real. transamerica. transform tomorrow.

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exploited women suffer, ravella doesn't suffer any fools. >> not at off. they're just out there to be satisfied is what they're looking for. >> remember not to go on the other side of the building line. >> it's quitting time on friday night and the johns' takedown team keeps a watchful eye on their decoy mary. >> have her say something. >> copy that. >> within seconds, two men check out the bait. >> you guys picking up anything on the wire? >> the two refuse to bite but it doesn't take long for the decoy to get a bigger fish, one that promises to be a whale.

>> copy. >> the two refuse to bite. >> a mercedes pulled over. >> copy. >> as mary disappears around the corner, ravella closes in on a silver mercedes benz. >> are you guys able to pick her up? >> turn off the engine, put it in park, put the brake on. face the car, hands behind your back. the girl you talked to is a police officer. you're under arrest for a prostitution-related offense. >> i didn't solicit her. >> i'm going to talk to her and find out exactly what was discussed. i don't know what was discussed between you. i just know she gave a signal indicating she had enough of a case for us to arrest you and you're under arrest.

okay? we're going to transport you back to a staging area a couple blocks away where hopefully you'll just receive a citation. do you have a driver's license? >> i do. >> you don't have any outstanding warrants? >> okay. >> you'll get a citation and be on your way in 20 minutes. >> what will you do with my car? you want me to drive it back -- >> we're going to transport you to the staging area in your vehicle because you're blocking the driveway here. >> i've never even done this -- >> he's doing to transfer you. >> though this well-heeled join was willing to gamble his health with tenderloin street sex he shows greater concern about leaving his car unprotected. >> lock the car. >> your car is coming with us. >> yeah, i know. >> you'll see the car -- >> okay. >> the passing patrol unit offers to transport the john. judging by his expensive shoes and threads, is doubtful this man has ever seen the inside of a patrol car.

>> i guess i'm pretty stupid, aren't i? >> neighborhoods residents cheer and jeer as the john starts an uncomfortable walk of shame to the patrol car. >> any drugs, any needles? >> no, sir. >> cuffed and searched in broad daylight, police have delivered this man, a marin county millionaire, a reality check about his actions. >> watch your head. >> would you please get rid of that camera? >> back at the public staging area, the dapper john's discomfort rises. >> does the officer have your i.d.? >> he has my wallet.

i'm sorry to turn, but i don't need the camera lights on me. >> police identify camera shy john as 56-year-old roger zipkin of mill valley. he sells multi-million dollar homes in some of the most exclusive neighborhoods of marin county. >> what address do you want me to put down? >> can i show you this away from the cameras, please? can you remove these people, and i'll be happy to tell you. >> this guy has an sf number. >> a further check reveals a prior arrest but zipkin won't discuss it on camera. >> expunged, for police purposes -- just for investigation purposes. regardless of it was dismissed. >> if he doesn't want to say it on camera. >> no. i don't want the cameras here period, but i guess --

>> i have no control over that. >> i understand what you're saying. i'm not here to not cooperate with you. don't you feel like you have enough film here? can't you stop? >> in a sudden change of strategy, he decides to go with the flow and starts engaging us in conversation and offering a defense. >> you say you didn't think it was solicitation. do you want to explain what happened here? >> i would say i made a big mistake when i pulled over to talk to somebody. but in terms of the discussion, the discussion came from her. you know, i made a stupid mistake. i shouldn't have even stopped, but i did. so here i am. i have no history of this. >> but you talking in our presence where we can hear you, it can be used against you. okay? i'm just advising you of that. in a minute i'm going to read

you your rights. if you want to talk to us, you can. right now, by you talking, anything you're saying can be used against you. just to let you know. do you what you want to do, okay? >> thank you for letting me know. >> despite his denials of wrongdoing, what zipkin doesn't yet realize is that police recorded his cash for sex offer with the de coy. >> he's removing the handcuffs, i'm going to explain something to you. >> zipkin is cited for solicitation and informed about johns school. >> i don't know if you're eligible for it or not. until we go back to the office and run computer checks and see if you have a criminal history and stuff, it will determine whether or not you're eligible. if you are eligible for it you will make a determination whether you want to go to court or possibly attend this class. >> zipkin pays the fine. two weeks later when he arrives for class, our cameras catch him there.

>> i've done 6,000 hand jobs, my arm's tired. okay. that's where you laugh. that's my little comedy. ♪ start a team. join a team. walk to end alzheimer's. visit alz.org/walk today.

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at 7:00 a.m. on saturday morning, 27 men will get a reality check and feel the pain of their decision to buy a woman for sex. >> take this and have a seat inside. thank you. >> the eight-hour first offender prostitution program or johns school kicks off with men hiding their faces from our cameras. >> hi. >> hi. who are you? >> we recognize more than a few of the men. >> you know, i'll take care of you. go outside -- >> excuse me. i haven't waived any right to be on film. >> let me say something to you.

>> sure. >> everything that's going to happen right now we're going to explain to you. you will sign a waiver to decide if you want to participate or not participate. they aren't going to film you. if you don't want to be filmed, they are not going to film you. so i need your id. >> thank you. >> it's too early in the morning for this for me. it really is. >> i'm not trying to be difficult. >> rather than going to trial, these men have paid the city $1,000 in fines and must complete this class in order to avoid further legal consequences. >> there is a huge demand industry out there. it can be anybody you encounter. the people that come to this class are people that have actually been caught. >> take today, everything it is, as a big warning. >> the district attorney's office starts the day by reminding these men there are no second chances. >> you have a great opportunity today. this is your opportunity to learn from a mistake you've made and not let it happen again.

>> i think fopp is a great program in that it's talking about the specific legal consequences and really reinforcing how easy it is to get caught for this kind of offense. i think today is a real day of stark realization. >> massage parlor stings happen often. internet stings happen often. stings occur in all areas of the city. not just the track, not just in the mission, all over the place. >> i think there's definitely a sense of embarrassment. you see a lot of people slouching in their chairs. there's a little worry and fear as the day goes on about employment records and the potential immigration consequences. >> the guys that come to fopp that get busted, it's across the board. that's what i experienced when i was in the industry. it's across the board. the janitor, ceo. >> i've done 6,000 hand jobs, my arm is tired. that's where you laugh.

that's my little comedy. >> survivors like sylvia deliver a dose of harsh reality by lifting the veil on the fantasy men believe they are buying. >> so these women out in the street are untreated mentally ill, probably been raped a couple of times by friends and family members. okay? that's who you're having sex with. >> it's amazing inspector steve ravella, the men who troll the internet, massage parlors and track don't look at the enormous risk they take. just for a moment of pleasure. >> a lot of johns get robbed. because these girls aren't working alone. they work with pimps. other individuals that work with the specific intent of robbing these guys. on the street as well internet prostitution. >> i've had to do follow-up investigations for murder. that means individuals wound up killed one way or another. >> sfpd human trafficking unit reminds johns of the risk. >> armed robberies, kidnappings, blackmail, extortion, left naked

on the street after severe beatings, torture, et cetera. these are some of the things that happened. >> it's the only one of its kind, it's now modelled around the country and with good reason. men who attend johns school are 30% less likely to pay for sex again. >> i absolutely believe when somebody comes in here, first of all, the big wakeup call is i was arrested. i got caught. i have to deal with my family, my wife, and come here and then really hear the prostitutes experience is a huge wakeup call. i think people are very, very fortunate to get this chance. >> this concludes our day. >> san francisco's human trafficking unit says arresting and identifying johns will continue to be a critical element to their strategy to fight sex slavery. their message, buyer beware. >> i hope these men that come to fopp understand prostitutes are human beings and not some marginalized throwaway sex object.

xxxxxxx in cities all across america with a click of a mouse or a friendly wave from their car, men looking to buy sex for cash find easy pickings. >> turn off your engine. >> but it's buyer beware