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)

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)