and it easily could have remained that way, except for jimmy keene. keene's story of strange redemption was featured in a playboy article, and then a book written by keene and hillel levin. >> once we were able to write about what jimmy went through, then things changed. >> keene's book helped to put pressure on the twin brother, now, gary stopped defending larry and started talking. >> larry, just like jimmy keene calls him, he is, he is 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. >> rayna rison? >> yes. >> michelle dewey? >> yes. >> as he started talking more openly, detectives approached him looking for help. >> i went with the indianapolis detectives down to try to get my brother 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't ever seem to stick to one story, he does sometimes s