Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
Elliott Turner: The chilling story of the self-professed 'playboy' who brutally killed his 17-year-old girlfriend by strangulation in 2011.
Ben Geen: The story of Ben Geen, who was convicted of murdering two patients in his care at Horton General Hospital. He maintains his innocence to this day.
Iftikhar & Farzana Ahmed: The story of Shafilea, who was cruelly killed by her own parents in 2003 because they thought she had become too Westernised.
Michael Sams: The story of Michael Sams, known for the brutal murder of 18-year-old Julie Dart in 1991 and further offences while behind bars.
Ian Paton: Kayleigh Hanks died at the hands of her on-off partner Ian Paton, who strangled her as their baby daughter slept in the same room.
Kendall: Michaela Hall welcomed troubled Lee Kendall into her life. Her kindness cost her everything. A tale of compassion, danger and fatal trust.
Godinho: Aliny Godinho fled an abusive marriage, but Ricardo found and murdered her in public. A case of control, fear and a mother lost to violence.