>> gabe ferris' worst enemy is gabe ferris. abrasive, he's sharp tongued, he's got a hot temper and he can be annoying. and right off the bat, with detective walton, he basically skewered him, hung up the phone and within a few days, detective walton was down there in chicago arresting him, before the investigation was really even concluded. >> next, the defense argued if the jury couldn't believe the detective's word, neither could it believe the witnesses he turned up, including that jailhouse snitch who claimed ferris confessed to him. >> you know what the penalty is for perjury in a murder trial? >> objection, your honor. >> i know the penalty for lying. >> he's already had one snitch take him down, and you're going to tell me that he's going to sit in a cell with a kid for five minutes and tell him how he killed this woman? it's totally unbelievable. >> what are the odds that two different snitches would tell two different lies about the same guy? >> they had several snitches. and they chose the best one. that's what they