coercion and distress. >> reporter: so you're the moron in this story? >> i'm the moron. >> reporter: remember, this is ira's version of what happened. susan and her lawyer never responded to our repeated requests to hear her side. ira says it was during this volatile time that kelly came up with the idea of hiring a hit man. so kelly did this on her own? >> yes. i had a conversation with her about it. it was more fantasy. there was nothing legitimate to it. >> reporter: what's hard is that a respected doctor was capable of even going down this road. >> i don't understand it either. that was not me. that was a different person. >> reporter: you both actually crossed over from just thinking about it to doing something. >> unfortunately. unfortunately, we did. and i was the one who put it into motion. >> reporter: did you worry about those kids not having their mom? >> i did. >> reporter: but it didn't stop you? >> no. >> reporter: why was this more important than those kids having