Discovery ID

'S3/E1 - Old Sweet Springs'. Nick and Katrina submerge themselves among the spirits of West Virginia's Old Sweet Springs Resort. What lurks beneath the surface at this once-idyllic retreat?

'S3/E10 - Love On The Rocks'. In Montrose, Colorado, a woman's body was discovered in the quarry that she owned. After three years, police were still investigating the brutal murder.

'S3/E11 - Serial Killer In The Making'. Nurse Lorie Kirkley goes missing from her home in what appears to be a burglary gone wrong. Soon the entire town of Valparaiso comes under suspicion.

'S4/E2 - Body In The Glades'. 42-year-old Miami mum Raquel Calderin vanishes without a trace on her way home from work. The investigation leads detectives into a disturbing family picture.

'S1/E1'. In Dorohusk, customs officers search a train that's notorious for smuggling goods. And, a driver is visibly shaken when his lorry is X-rayed and searched.

'S7/E8 - Never Let Her Go'. An Australian man takes extreme measures to control all aspects of his girlfriend's life. Ultimately, his controlling behaviour escalates to a devastating crime.

'S1/E14 - A Living Surprise'. Alex receives a tip about a man acting suspiciously at Arlanda. Mimmi and Olivia gets a live surprise when opening a foul-smelling bag.

'S1/E1'. In Dorohusk, customs officers search a train that's notorious for smuggling goods. And, a driver is visibly shaken when his lorry is X-rayed and searched.

'S5/E4 - The Delphi Killer'. A quiet rural town is rocked when two schoolgirls are found murdered. Police discover one of the girls may have recorded her killer with her phone.

'S5/E5 - Hollywood Ripper'. A suspected serial killer prowls Hollywood. As the number of victims climbs, one brave woman fights back fiercely and manages to survive.

'S1/E2 - The Devil's Playground'. Anger in Jennings, Louisiana, boils over as an eighth woman is found and police still have no answers. Can they prove the murders are all linked?

'S7/E9 - Lonesome Cowboy'. When a body is discovered in a yard, police have little to go on. The homeowner has recently disappeared, and all that he has left behind are clues posted online.

'S4/E10 - The Ballad Of Billi-Jo'. When a fire kills Wayne and Billi Jo's two children, everyone on the Fort Campbell army base is grief-stricken, but is the couple hiding a secret?

'S4/E3 - Good People, Badlands'. Montana is shocked when mother Susan Casey goes missing after a date. Detectives realize that three men are in her life, any one of whom might be guilty.

'S1/E2'. At the Dorohusk border, a sniffer dog spoils a couple's birthday celebrations. Plus, customs officers search a vintage motorcycle for hidden contraband.

'S1/E6 - Digital Lies'. When 21-year-old Julie Ann Gonzalez suddenly goes missing, detectives investigate her puzzling digital trail to uncover the horrifying truth behind her disappearance.

'S2/E1 - A Hole In Time'. When single dad David Heisler goes missing, clues lead detectives into the desert, but the trail stops cold. Digital forensics experts to help unravel this mystery.

'S2/E8 - Lost Rider'. 12-year-old Autumn loves her new BMX. But in 2012, Autumn - and her beloved new bike - go missing. A trail is left behind on Facebook, but where will it lead?

'S2/E10 - Hate Mail'. Shortly after Chris Coleman starts a new job as Security Chief for a Christian ministry, he begins receiving threatening emails. Then, tragedy strikes.

'S2/E4 - My Brother's The Killer'. When the truth of a 10-year-old murder case finally comes to light, the revelation stuns the family, the community, and the investigators.

'S2/E5 - Exposing The Cover Up'. When a former crime reporter is found murdered inside his home, investigators suspect his spouse, until intercepted jailhouse calls reveal the true killer.

'Lady Gucci: The Story Of Patrizia Reggiani'. The former Mrs Gucci tells her story: meeting Maurizio, their love, the fabled wedding and the nightmare.

'S3/E1 - My Bloody Valentine'. Sixteen-year-old Diana Peterson is slaughtered in her own backyard on Valentine's Day. Did she know her killer and where is he lurking now?

'S2/E8 - The Corpse Who Came To Dinner'. A lonely widow in rural Pennsylvania finds an unconventional way to cope with loss, and her small town keeps her unusual secret for over a decade.

An in-depth investigation into four female members of Keith Raniere's NXIVM cult, who either vanished or died in mysterious circumstances. What really happened to them?

'S1/E1 - In The Line Of Duty'. Deputy Floyd Moore calls for backup when he sees a man acting suspiciously. When it arrives, Floyd has been shot but in his pocket is a lead to the shooter.

'People Magazine Investigates: Surviving A Serial Killer. S1/E4 - Surviving The Handsome Devil'. A man turns out to be a monster, attacking young women at will. It takes decades for the survivors to discover this serial killer.