Discovery ID

'S4/E2 - Fire For Freedom'. Identical twins Caleb and Joshua are the apples of their father's eye, but the pressure to be exceptional manifests into dangerous hatred.

'S1/E7 - The Torture Trap'. When two college football players are reported missing, police encounter a hostage crisis when trying to locate them.

'S1/E8 - Dead By Dawn'. An unsolved murder of a teenage girl in Wyoming is turned on its head when a phone call 23 years later reignites the cold case.

'S10/E8 - New Mom Missing'. Successful lawyer and new mum Ciera Breland disappears after she and her husband visit his mother in Georgia. It emerges her perfect life isn't what it seems.

'S1/E1 - Field Of Broken Dreams'. 17-year-old Chris Daigle vanishes after leaving school for the day. After the case goes cold for years, one detective believes it deserves a second look.

'S1/E2 - Troubled Waters'. When two teenagers go missing the community is baffled. Years later as the case is reopened, a clue leads to the answers - right under their noses.

'S2/E1 - Run the Wickets'. A former mayor of an Ohio town turns up dead in his hunting cabin. Detective Ryan Allar explores whether this is political retaliation or something more personal.

'S2/E8 - Kill Thy Neighbour'. Karen Gregory is raped and stabbed in her boyfriend's Florida home. Detective Tosi enlists the help of his firefighter friend to solve the crime.

'S2/E9 - Homicide Hotel'. A maid finds a woman dead in Room 305 of an Oregon hotel. Her grieving husband reveals an open relationship, but was an affair to blame?

'S2/E2 - Bad For Business'. Successful business owner MaryAnn Clibbery is brutally murdered in Illinois. A suspicious bag floating on the ice in the river unlocks the secrets of her slaying.

'S2/E3 - If The Walls Could Talk'. An affluent retirement community in Ohio is baffled when Barbara Howe vanishes one night. But soon Police find her body in the trunk of her car.

'S1/E2 - The Twelve Signs He Will Die'. A copycat Zodiac killer terrorises New York City while keeping cops guessing his identity. It falls to veteran NYPD detectives to outwit him.

'S1/E3 - The Outdoorsman Killer'. No one knows how many victims a serial killer targeting hunters has killed. With the next hunting season looming, they must find the madman.

'S1/E5 - Girl Gone West'. While a young man worries about his missing sister, a young woman's body is found in the Arizona desert - and investigators begin the hunt for her identity.

'S1/E6 - Her Whispering Bones'. In 2005 Pamela Knight vanishes on her son's birthday and, years later, two men find the remains of a woman buried under an abandoned shed.

'S1/E4 - Blood Mountain'. A woman is found murdered on the Appalachian Trail and her husband is missing. As more bodies disappear, is a deadly predator stalking the woods?

'S9/E3 - Vanished In The Heartland'. Questions and accusations fly after savvy entrepreneur and mother of five, 52-year-old Dee Warner, vanishes from her rural Michigan home.

'S2/E1 - Twist Of Fate'. Justin Newman lands a great job in construction. But when he disappears on the day his new boss is found murdered, a search for Justin uncovers a sinister plot.

'S5/E20 - There's Eyes In The Closet'. When an apartment fire reveals two dead bodies, detectives find a man who first appears polite and gentle, then later as a pawn of imagined demons.

'S5/E19 - Guess I'm A Bad Dad'. When police discover dead bodies inside a psychopath's apartment, they struggle to make sense of the bloody scene and the killer's motive.

'S2/E8 - A Soldier's Secrets'. After the murder of an army major, police uncover a twisted world of swinging, manipulation, and a teen trapped in a family's dark double life.