. >> reporter: it's not often little placentia, california, has a murder. >> 10:00 p.m. when i got the call. >> reporter: at the time, aaron wyatt was the sole homicide detective. what did the crime scene itself look like? >> it was pretty bloody. there was evidence of a violent killer between jack and his killer. >> the kind of thing that might happen if it was a hope invasion, robbery, or something? >> or assault between people who knew each other. >> reporter: protocol told him look at the person who reported the crime, which was his daughter cheryl. >> the daughter, we had to look at her as a potential suspect. she was the one who found him. >> reporter: back at the station, wyatt interviewed all of jack's relatives, including cheryl, and jack's wife sandra, who hadn't been missing at all, just out on a shopping trip. >> mrs. jessee came to the station with us voluntarily, told us she would cooperate, wanted to help us solve the murder of her husband. >> reporter: she told him about life with jack, married 14 years, blended family, four kids between them. jack was a