Investigation Discovery +1 Tomorrow

A case in which transgender teen Sage Smith went missing. The investigation turned up evidence that forced detectives to look closer into Sage's inner circle

Buying goods from home

Buying goods from home

Buying goods from home

Buying goods from home

When Clare Bradburn's ex confessed to a crime after 26 years, she thought she finally had justice. However, a legal loophole meant he was released immediately

The murder of Carol Wardell in September 1994, by her husband Gordon. Plus, the 'honour killing' of 17-year-old Shafilea Ahmed by her parents Iftikhar and Farzana

The 2016 murder of best-selling author Helen Bailey by her partner Ian Stewart, who had earlier helped volunteers in her search

How the lives of two couples were unravelled by a series of betrayals, deceit and violence in a small town. How did a love affair result in a crime of passion?

Documentary investigating the case of Toni Lee Sharpless a nurse and mother with a bipolar disorder who vanished in August 2009 after a night out in Gladwyne, Pennsylvania

When a father of five is found dead on his kitchen floor, Det. James Colley must untangle a web of twisted relationships and bizarre fantasies to uncover the mystery

The body of a promising young radio host turns up near a road in south Houston. Det. Harris takes the case, and uncovers a tragic tale of love and deceit

The case of Dr Jim Kohnle, who was found dead in a fire at his family home. Evidence and tip-offs led police to question if it was an accident, suicide or murder

The case of 28-year-old Jeremy Alex, who was last seen in April 2004 running towards a house in Northport, Maine claiming that the 'bad guys' were after him

When Nikki McPhatter doesn't show up for her usual work shift, her friends immediately worry - and point investigators to her online relationships.

Lonely musician Ray Merrill thinks he's found his dream woman in Brazil through an online dating website

A case in which phones are examined for communications between persons of interest. On another case, detectives contemplated whether the suspect's family was hiding something

Veteran homicide detectives and forensic experts uncover new leads and bring new life to Tulsa County's old and mishandled cases

A woman's body is found outside her office with a gunshot wound. After a year-long investigation, a surprise witness helps lead detectives to the killer

A father's desperate search for his daughter leads him to an abandoned cabin in rural Canada. A surprise witness helps expose unspeakable crimes

A case in which a single mother installed a security system when she realised that someone has been inside her home, only for her actions to prove inadequate

The case of Cherelle Baldwin, a young mother from Bridgeport, Connecticut, who fought to prove her innocence after being charged with murdering her abusive ex-boyfriend

The presenter explores the complexities of teen romance, recounting how a much-loved high school cheerleader was murdered by her ex-boyfriend

When Nikki McPhatter doesn't show up for her usual work shift, her friends immediately worry - and point investigators to her online relationships.

Lonely musician Ray Merrill thinks he's found his dream woman in Brazil through an online dating website

A case in which phones are examined for communications between persons of interest. On another case, detectives contemplated whether the suspect's family was hiding something

Veteran homicide detectives and forensic experts uncover new leads and bring new life to Tulsa County's old and mishandled cases