richard schoek is dead.oesn't have excuses. >> stacy schoek pleaded guilty to murder. reggie coleman did the same. lynitra ross stood trial and was found giment yuilty. all sentenced to life in prison without parole. the case solved. three convictions for the detective who poured through reams of phone numbers and sniffed out a murder-for-hire case. >> when your gut tells you something. go with it. if it makes sense, then that's probably what it is. >> pretty obvious if i ask you where this fits in your -- in your in your catalog of cases. >> there will be another one like it i'm pretty sure i hope not. >> reporter: now finally, the last admission. a few days after stacy was sent away. richard's sister carol want to see her. glared at stacy through the glass partition. she didn't buy stacy'ster for sterory for her reason for killing richard. i said, okay stacy, this is it. i want to know. and i said no bull. no lies. i want to know why you had richard killed? >> reporter: there was a long pause. and then --