loren lorenzo, i want to thank you so much for being here and sharing your daughter's story with us. still ahead -- >> thank you for having me. >> still ahead, while isn'tific evidence has been used to exonerate some, it's been a central tool used to lock up others next, this former fbi agent joins us. he lost his job after blowing the whistle on faulty forensic. hear how he exposed thousands of cases whic mishandled evidence including 27 on death row. >> can be can take you away from whatever your family is having done something you never did, that you were never close toanding put you in a cage and a death chamber. it's not a joke. >> a bit later, we reveal one of the most controversial methods used by some in law enforcement during eyewitness interviews that could make or break a guilty verdict. back in two minutes. enterprise. >> what do you mean by that? human enterprise? >> a human enterprise fails. >> the problem that the bureau has got is if they fail and you find out about it, the world finds out about it, it's a big, big deal because they hold themselves out above that. we

loren zoe was fixated on hooters. i think he said it once just as a joke. hooters. so, of course, lorenzoid you want to go to hooters? >> because i wanted to be a chef and there's good food there. [ laughter ] >> lorenzo is a goofy guy. he's kind of like the glue that keeps us together. >> he had a mullet. people picked on him. >> i was a guy that got in fights. [ speaking in foreign language ] >> i was pretty rebellious. >> oscar was a very serious guy. he liked being on task. >> the leader from day one -- oscar was an alpha male and very cocky and confident. i would make a competition out of anything. >> louise was the guy who didn't want to talk much. he's very intimidated when you first meet him because he's a big person. >> louise is a dependable guy. you weren't going to be worried about him not doing something that he said he would. >> he's a very smart and gentle person. >> he's the kind of guy that would back you up no matter what. >> he became my best friend. as i remember he bought me a burger from jack-in-the-box. nobody had ever done anything like that for me. he was like my