on october 15th, 2015, a bearded bill cumber, pleaded no contest to second degree murder. er 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 out to the car. h