Stone Cold Killer: In 2000, near Anchorage, Alaska, Genevieve Tetpon was found dead from a brutal attack. It wasn't until 2009 police finally made a breakthrough. (S6, ep 7)

Deathbed: Three decades after a man is found dead in mysterious circumstances in San Diego, forensic advances finally identify his highly unlikely killer. (S5, ep 7)

A Bike Ride To Murder: When the brutalised body of a San Diego girl was found in a canyon in 1991, detectives unearthed a shocking truth that no one could believe. (S4, ep 7)

Murderous Intentions: A day after Katrina hit the Gulf Coast, a man was shot by opportunistic masked burglars. It was a tricky case that took police three years to solve. (S3, ep 7)

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 6)

Eye For Murder: In December 1990, 21-year-old wife and mother Dina Kichler was found murdered in her Florida home. Investigators had to race to track down her killer. (S7, ep 6)

Hometown Homicide: On 17 January 1980, in the town of Hemet, California, 67-year-old Elizabeth Crossman was murdered in her home. But it took 33 years to convict her killer. (S6, ep 6)

Phantom Predator: A look at how detectives uncovered the shocking identity of the South Side rapist, a man who terrorised the women of Missouri for over six years. (S5, ep 6)

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)