except for jimmy keen. ene's story of strange redemption was featured in a "playboy" article and then a book written by keen and hillel levin. >> once we were able to write about what jimmy went through, then things happened. >> keene's story refocused attention on larry hall, helped reopen cold cases, and put pressure on his twin brother gary. now gary stopped defending larry and started talking. >> larry just like jimmy keene calls him, and he is. he's a baby killer. >> you think your brother is a baby killer? >> i don't have no doubt in my mind. >> do you think your brother killed more than jessica roach? >> yes. >> do you think your brother killed tricia reitler? >> yes. >> rihanna rison? michelle dewey? >> yes. >> as gary started talking more openly, detectives approached him asking for help. >> i went with the indianapolis detectives down to try to get my brother to confess. he made me leave the room. he did in fact confess on tape to 15 serial murders. >> larry later retracted again. and while he can'

jimmy keene was involved here. maybe something else will still evolve out of this. maybe the things i've done and am still doing will still shine a light and give them hope at some point. ♪ >>> west memphis police discovered the bodies of three 8-year-old boys in a drainage ditch. >> autopsies showed they died from blows to the head. >> a horrific crime. three young boys murdered. >> at 9:00 that night i knew that i would never see him alive again. >> three teenage boys suspected. >> i wanted to bash their head up against the wall, kick their face in. >> three teens demonized. >> that was the first thing that everybody started saying, that it was a ritualistic killing, satanic killing. >> three teens, convicted. >> guilty of capital murder. >> their accused ringleader sent to death row. >> i'm in solitary confinement 24 hours a day, 7 days a week. >> he deserves to be tortured and punished for the rest of his life for murdering three 8-year-old children! >> it was a crime almost too horrible to imagine. three teens worshiping satan, murdering three 8-year-old boys.