Donal MacIntyre's UK Killer Evidence

The case of Pennie Davis from Hampshire, who was tragically killed in 2014 after a revived feud led Ben Carr to hire a hitman.

The story of a high-speed chase in Manchester which quickly turns into an unsettling murder investigation.

The case of Jessica McGraa, whose murder in Aberdeen showed the risks to sex workers and the role of forensics in convictions.

Fast track forensics secure a crucial conviction in a frenzied murder by samurai sword in Norfolk.

The story of a pre-meditated murder in Bristol, which resulted in a successful conviction thanks to forensic evidence.

The story of a disappearance in Wrexham, which led to a covert probe that caught the victim's colleague and secured a murder conviction.

Shifting explanations and emerging evidence lead to the successful conviction of Michael Hardy in Manchester.

The story of a killer who thought he had got away with murder in Cambridgeshire; forensic advances lead to a breakthrough.

The story of a case from Wigan that tested the limits of law and medicine in the relentless pursuit of justice.

The story of what happened when an attempt to detroy evidence and disguise the truth in New Cross was solved through forensic science.