richard schoeck is dead. er. reggie coleman did the same. lynitra ross stood trial and was found guilty. all were sentenced to life in prison without parole. the case solved. three convictions for the detective who pored through reams of phone numbers and sniffed out a murder for hire case. >> you know, when your gut tells you something, you should go with it. and if it makes sense, then that's probably what it is. >> reporter: pretty obvious if i ask you where this fits in your catalogue of cases. >> there'll be -- never be another one like it, i'm pretty sure. i hope not. >> reporter: and now finally, the last admission. a few days after stacey was sent away, richard's sister, carol, went to see her, glared at stacey through the glass partition. she didn't buy stacey's story about her reason for killing richard. >> i said, "okay, stacey, this is it. i want to know." and i said, "no bull, no lies, i wan to know why you had richard killed." >> reporter: there was a long pause. and then out it came. >> she said