Quest Red Saturday

The vets try to save a Doberman Pinscher's leg after it is found with its nails growing into the pads of its feet

How crimes are solved by the smallest clues focusing on the murders committed by David Middleton and the killings of Bunchee Nyhuis and Jeffrey Russell

Exploring the mind of an obsessive murderer, following the work of psychologists as they study the often confused workings of the criminal psyche

Detectives are called to investigate when an 80-year-old woman is found barely conscious beneath the body of her son in an abandoned van

The story of notorious bank robber Byron Chubbuck, who escaped from New Mexico State Penitentiary in 2000, and almost immediately began stealing again

Levi Bellfield's ex-partner reveals what life was like with the serial killer. Bellfield killed Milly Dowler in 2002, and was also responsible for at least three more deaths

How the Texas Rangers have progressed from a group to protect settlers in the 19th century to a sophisticated law-enforcement agency

How investigators are devoting time to cracking cartels in a sinister criminal underground spawned by the prevalence of drug trafficking

How a variety of unlikely objects, including beer bottles and insects, proved to be sources of vital evidence in murder investigations

The crimes of lawyer Carlos Perez-Olivo, who in 2006 shot his wife in the head the same day he sent flowers to his long-time mistress

The case of an elderly couple brutally murdered in their Wisconsin home in 2010. Family members and neighbours subsequently received death threats

A case in which a couple were shot in their home, though the husband survived. The investigation revealed a scheming killer who almost got away with the perfect murder

The case of 42-year-old Miami mother Raquel Calderin, who vanished on her way home from work. The investigation led detectives into a disturbing family picture

The disappearance of real estate developer Jana Koklich. Police suspected her job had led her into danger, until a local pastor came forward with a shocking confession

The case of Russel Douglas, found shot to death in his car on a deserted road on Whidbey Island north of Seattle

Police find a family dead, a horror film still playing, a bloody mask nearby - and a letter addressed to the woman who voiced 'The Exorcist' demon

As cameras follow the work of patrol officers, they must navigate the chaos of a high-stakes series of shootings, high-speed chases and standoffs

When arrested for historic sexual offences, TV weatherman Fred Talbot tried to hide the truth in police interviews. However, his repeated response of 'no comment' spoke volumes

In North Carolina, a shop worker is killed, part of a larger pattern of armed robberies. Pressure mounts to arrest the assailant before he kills again

Harold Shipman was a much-loved doctor. Millions watched the GP speaking on TV discussing the benefits of care, not knowing he'd already killed dozens of patients

The fatal shooting of Terri Ann McCoy on her family home's landing, by a lookout guarding fellow robbers who had invaded the building to steal jewellery in November 2009

When a man is brutally attacked by three armed assailants, bureau investigators are convinced it is the work of the Mafia - even though they are unable to identify the perpetrators

Buying goods from home

Buying goods from home

Buying goods from home

Buying goods from home