Grave Secrets

New homeowners spot a barrel in their crawlspace and are horrified to find a body inside; later, forensic experts recover a cryptic note saying, "I told the truth."

Detective Pat Postiglione finds a woman's body at a truck stop, and the clues suggest her death came at the hands of a serial killer; then the focus shifts as suspicion falls on the victim's two drug-dealing friends.

In 2001, parishioners arrive at church, unaware they are passing a grisly crime scene in their own parking lot, where Tracey Bagwell has been stabbed 30 times in her car.

In 1987, women's bodies are found in a forest outside of Molalla, Ore.; detectives struggle to find a lead, then they get a break when another case shows similar characteristics.

A woman is devastated when her husband, Cody, disappears days after their wedding; then, she reports receiving an improbable email claiming that Cody died in a hiking accident, prompting detectives to fear this blushing bride is really a black widow.

Police are dubious when a woman reports her father, Dwight Tobyne, missing after eight months; none of the Tobynes seem eager to talk, but the family's secrets will lead detectives to a grim discovery in the Arizona desert.