 Much of what is known about the murders of the Groene family was revealed by Shasta Groene herself.According to Shasta Groene's police interview, Duncan killed her mother, older brother, and her mother's fiancé, and then kidnapped her and her brother, driving away with them in his red Jeep Cherokee.Shasta told investigators her mother called her into the living room, where she saw Duncan wearing black gloves and holding a gun.