When Kerry Woolley is murdered, her boyfriend Ian Bennett plays the role of the grieving partner. But detectives soon uncover a trail of deception.

Ashley Wadsworth left Canada for a new life in the UK with Jack Sepple, a man she fell for online. But her dream quickly turns into a nightmare.

Savannah Paschal's husband, Trent, becomes jealous and obsessive and she tries to leave. But, before she can, Trent makes a deadly decision.

Anthony Shore is a predator who stalks and strangles his victims. For years, he eludes investigators until an unrelated assault presents a lead.

When patients at a respected Texas hospital die unexpectedly, no one suspects foul play until investigators uncover a chilling pattern.

On Halloween, police discover the body of Ildiko Bettison in her Chessington home. Detectives follow a trail of missteps to uncover the truth.

In Baytown, Texas, 37-year-old Crystal McDowell disappears without a trace. Can detectives uncover the mistake that gives her killer away.

In 2014, Hollie Gazzard is murdered at work by her ex-partner in Gloucester. What critical mistake gave police what they needed to bring the killer to justice?

When Alice Ruggles is found dead in her Gateshead flat back in 2016, detectives uncover a tale of obsession. Police must distinguish truth from lies to solve this case.

When Tiffany Hill is shot dead in her car, her ex-husband, Keland Hill, is the prime suspect. Police uncover the mistake that exposes his intentions.