. >>> starkville, mississippi, may 12th, 2003. county sheriff's office where deputies are taping their interrogation with her 13-year-old son tyler. >> he's been in here for 45 minutes. they've been in here talking for 45 minutes without me. >> in the south we say, don't start any and there won't be any. >> i don't start conflict, but i don't take anything either. i will stand up for myself and my children. >> tyler has come to the sheriff's department voluntarily after his sister's husband, joey fulgham, is found dead at this house just west of town. >> tyler, do you know -- you're telling the truth, right? they're not making you say stuff that you don't want to say? look at me. look at me. are you having problems? well, what's wrong? >> narrator: as with james biela, the camera keeps rolling while a loved one confronts a suspect inside the box. but, unlike biela who remains evasive even with his girlfriend, tyler has spoken to investigators at length, confessing to joey's murder. a costly assertion he'd spend much of the next de