seat. >> prosecutors showed the jury the admitted hit man's videotaped confession. >> i just seen her come down, from the, uh, front the front way stairs. it was still kind of dark. that's when i killed her. >> how'd you do that? what did you do? >> just shot her. >> when you left the area, did you go back and tell derek what you'd done? >> um, after that, i seen him -- not immediately after that. >> then they called c-styles to testify. but instead of tying a bow on the case, he lobbed a grenade and blew it to pieces. c-styles told the jury everything he said on that tape was a lie. >> people have false confessions all the time. it happens all the time. >> calvin schneider was derek