Gruesome Discovery: Police investigate the real-life case of a woman whose body was found in a rubbish bin. Could she have been the victim of a co-worker's violent obsession? (S4, ep 6)

Clairemont Killer: Documentary exploring the huge manhunt for the serial killer who murdered six women in frenzied knife attacks in San Diego in 1990. (S3, ep 6)

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 5)

Deadly Desire: Days before Thanksgiving, a small Philadelphia suburb is rocked by the murder of 67-year-old Alice Hufnagle. Who could commit such a random crime? (S7, ep 5)

High School Homicide: In 1989, Indianapolis high school student Amy Weidner was brutally killed while she stayed home from school. But who would want her dead? (S6, ep 5)

Burning Fury: In 1988, Robert Haugen was found murdered in his apartment. Two decades later, a surprising culprit with a sadistic dark side is brought to justice. (S5, ep 5)

Mother's Day Murders: When a military wife and her two girls are found dead, police uncover many suspects, including a babysitter and an eyewitness who can't be trusted. (S5, ep 5)

Monstrous Act: A look at the surprising twists in the hunt for the killer of 20-year-old Missy Grubaugh, who was found dead in her apartment in Arlington in 1994. (S3, ep 5)

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 4)

Too Close To Call: Just one or two fish is all that separates the top four boats as the crews enter the final five days of the Atlantic bluefin tuna season. (S4, ep 17)