little placentia, california, has a murder. >> 10:00 p.m. when i got the call. >> reporter: aaron wyatt was the sole homicide detective. >> what did the crime scene itself look like? >> it was pretty bloody. >>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, 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 relativelies, 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 patriarch in the jessee clan, she said, a teddy bear of a man, well liked, well to do. >> jack was a very, very loving person who doted on his children, doted on his stepchildren, doted on his grandchildren. >> reporter: jack was ill. housebound after colon cancer surgery. sandra told the detectives she'd been running a bit of a mercy mission for jack and dawdled too