According to police, Chenoweth confessed to the killings, saying the incident began with an argument between him and his mother, according to the preliminary report from the prosecuting attorney's office. Chenoweth told police he shot his mother after she pointed a weapon at him, the report states. Then he got into a fight with his sister, Cheyenne, who was in another room, and stabbed and shot her, according to police.
Chenoweth told police he waited for McGehee to get home from work and locked the front door, the report states. McGehee saw his wife's body on the floor through a window, and he busted in the door. Chenoweth said McGehee had a knife, and he shot his stepfather multiple times, according to the report.