on october 15th, 2015, a bearded bill cumber, pleaded no contest to second degree murder. ns of the tape recorder going. >> because that interview? like >> chilling. >> according to bill, the argument about smoking was just part of it the bad, part started, when sabine told him they were done. so, she's saying she can't go on with this anymore. what happens at that point? >> i lose control. and i hit her in the head with my fist. and it's a disgusting situation. >> what is her reaction to being struck? >> she got scared and she covered her face with her hands. >> okay. >> what do you do at that point? >> i reached and grabbed her throat and started choking her. >> he choked her until she stopped moving, he said. she never fought back. >> did he seem remorseful? >> somewhat. i mean, it wasn't teary eyed. he was kind of getting it off his chest. >> i just couldn't believe what i did. i stared down at her, and all things were kind of going through my mind. i can't believe what i've done. >> he said he took a sheet off the bed, rolled her up in a, we did about an hour, drag her