everybody's stomping on everything. >> everyone except yusef salom.he never goes on video and never makes a written statement. >> when i first saw those tapes, i didn't disbelieve them. like anybody else, when i watch a confession tape, my first impulse is, whoa, then, a person wouldn't really do that. >> my second impulse is to listen to the details and to be influenced by them. >> how did those marks get there? she has a fractured skull, she was hit with a very, very heavy object. corey, you saw that picture. you don't get these lines, you don't get a fractured skull. >> it more like, it -- >> when you watch corey, it's almost like he's desperate to get it right. he tells one storidy moment, another story at another moment, yeah, when you look at false confession cases, when you told the truth, you didn't believe them and you made them change it. >> of course there's going to be inconsistencies between the statements. in my experience, when t atemt ere' a rht? inging to life in the in a coma. and then she started opening her tle did she know, she wa