S4 E1 • The Roaming Rapist

For three weeks in May of 1994, a brutal killer had a nation on edge. A bloody spree of rapes, kidnappings, and murders resulted in the deaths of six Oklahoma residents, including a local radio personality and an elderly widower. Gary Alan Walker, an emotionally disturbed ex-convict, was eventually captured and executed for these crimes.

S4 E2 • The Elderly Executioners

Multiple murders in rural communities are always a shocking occurrence, but never more so than in Livingston County, Missouri in the late 1980's. Ray and Faye Copeland, an elderly farmer and his wife, would become America's oldest couple on death row when a simple livestock scam escalated into murder.

S4 E3 • The Homicidal Handyman

The trail of crimes committed by Sacramento handyman Morris Solomon, who entered the homes of his victims to commit murder

S4 E4 • The Boarding House Killer

Dorothea Puente spent much of the 1980's providing shelter for the elderly and infirm in her Sacramento boardinghouse. It wasn't until the first body was found in her backyard that authorities realized Dorothea was not the sweet old woman she first appeared to be.

S4 E5 • The Human Hunter

Like many Alaskans, bakery owner Robert C. Hansen was known for his hunting abilities. In the early 1980's, however, his taste for hunting took a sinister turn. A growing list of missing persons and the discovery of two dead bodies led the police to begin the search for a killer who raped his victims before turning them loose and hunting them down like animals

S4 E6 • The Railcar Killer

One of the most intensive manhunts in the history of Texas took place over the summer of 1999 when brutal serial killer Angel Resendez Ramirez was on the loose. Riding the rails eastward and driving the vehicles of his victims back west, Resendez terrorized railroad communities all across America before finally surrendering to police.