Quest Red

Poisons can be deadly and are often impossible to detect. Forensic experts show how they can solve these mysterious deaths.

A drug bust leads to a sweet victory as police find a large stash of drugs in an ice cream van and a community of travellers won't leave after illegally setting up camp in Burton.

A carefully organised drug bust catches two suspected dealers off-guard in Burton and a knife amnesty leaves a team of experienced police officers in a state of shock.

Judge Rinder examines the tragic murder of 20-year-old Hollie Gazzard, and a case which triggered an investigation around the globe.

When three women die of the same mysterious illness, the hunt is on to prove their deaths were no accident. Can detectives unravel this twisted tale of deceit.

20-year-old Bear Diaz has diabetes, so when he vanishes one night with his belongings, investigators are suspicious. Is it linked to another disappearance.

In 2017, the discovery of a mortally wounded man and a car riddled with bullets leads Pasco detectives on a trail of CCTV to track down a killer.

Levi Bellfield is a serial killer responsible for the horrific murders of three young women. His ex-partner reveals how his crimes have affected her.

Who Am I? Dianne and Donnie settle down together in a wealthy Chicago suburb. They take the appearance of a power couple, but behind the smiles are horrifying secrets.

Sandy Miles and her daughter appear to have an unbreakable bond. When Sandy is found brutally murdered, the investigators can scarcely believe what they uncover.

The case of a missing mountain biking pioneer, living off the grid in Colorado, went cold for years. Later, investigators lean on the local rumour mill for new leads.

Judge Rinder examines the case of Stephen Downing, a 17-year-old boy who was convicted in 1974 of the murder of Wendy Sewell.

In 2016, a young mum of two is brutally shot to death in her home. When police arrive on the scene, they suspect someone close to the victim.

When a young couple goes missing in Eureka, Utah, detectives from neighbouring counties work together to track down their bodies.

When a cosmetology student goes missing from Dubuque, Iowa, detectives question if her disappearance connects to another murder.

In Galveston, Texas, the bodies of two women lie behind a grocery store. Police turn to surveillance footage, hoping to discover who killed them - and why.