Quest Red

A victim's estranged spouse is often a key witness in a murder investigation, and when the body is found, family and friends can provide crucial information.

Sometimes, when a death seems to be accidental, it is up to forensic scientists to reveal hidden betrayals that reclassify cases from accidents to homicides.

The FBI is hot on the trail of bank robbers who leave behind bombs after their crime, but there's more to their cause than meets the eye.

When the wife of a wealthy man vanished, an unusual ransom note provided clues to the captor - who turned out to be involved in one of his companies.

British criminal barrister Robert Rinder examines the case of 25-year-old Joanna Yeates, who was found strangled to death on Christmas Day in 2010.

A vivacious 33-year-old drowns in the middle of a crowded lake. The investigation untangles a dark, nefarious past that includes theft and multiple murders.

When Amy disappears, police have a suspect but no crime scene, no body and no evidence. It takes an unexpected informant to blow the case wide open.

15-year-old Elizabeth Ennen was last seen when a friend dropped her home, but police find a piece of CCTV that turns the case in an unexpected direction.

In summer 2014, a drink thrown in a Manchester nightclub triggered a gangland feud that caused years of ruthless violence, with deadly consequences.

When Lanny Horwitz is found murdered in his own home, it unleashes a shocking tale of jealousy and infidelity, leaving every member of the family a suspect.

When Terry Thrift vanishes, no one has answers. The mystery of his disappearance - and the salacious betrayal behind it - isn't solved for 20 years.

Detectives in Waynesfield, Ohio, discover the body of Erin Mulcahy in her shower. Can the police catch those responsible for the town's first murder in 50 years.

Judge Rinder examines the real-life case of Debbie Davey, who fell victim to an elaborate scam orchestrated by a very close friend.

15-year-old Elizabeth Ennen was last seen when a friend dropped her home, but police find a piece of CCTV that turns the case in an unexpected direction.

The Body In The Suitcase. In 2009, young mother Nixiann Downes-Clack went missing from her island home in Grenada. Her family speak about the desperate search to find her.

16-year-old Joshua Davies was sentenced to 14 years in jail for the murder of his on-off girlfriend. Why did he kill - and only confess to it in prison.

In Florida, two loving parents are brutally gunned down. The police must rely on surveillance cameras to catch the killers and bring them to justice.