Cops Gone Bad with Will Mellor - Episode Guide

One of the UK's most prolific sex offenders ever, David Carrick took advantage of his position as a serving officer to attack women for nearly 20 years.

When police arrive at a devastating car accident, they find a young woman with horrific head injuries. But her fiancé, officer Martin Forshaw, is barely hurt.

A police car executes a stop and search on a drugs courier, seizing hundreds of thousands of pounds - but serving officer Kashif Mahmood then lets the driver go. 

 When royal protection officer Michael Coulton's wife is found murdered just yards from her work, a few of his secrets begin to come to light.

Australian officers couldn't believe it when they intercepted a call to an international drugs cartel and heard their senior officer Mark Standen on the line.

An unknown blackmailer laces dog food with poison and baby food with glass, always able to stay one step ahead of police - until his true identity is revealed.

When sergeant Drew Peterson's wife Stacy goes missing, he claims she's left him for another man - but it's then discovered that his ex-wife also died mysteriously

A look at cases of police taking advantage of their positions to commit crimes. In 2010, 31-year-old police officer Adam Provan lied about his age to take 16-year-old Lauren Taylor out. He then sexually assaulted her in a park.

On the surface, Lewis Edwards was a young officer with a bright future ahead of him but behind closed doors, he was a dangerous paedophile.

Cliff Mitchell was a respected officer in west London but in private he was a violent sexual predator, intimidating his victim with his badge.

How former police officer Valerie Cincinelli hired a man to kill her husband.

A look at cases of police taking advantage of their positions to commit crimes.

A look at cases of police taking advantage of their positions to commit crimes.

A young woman is found unconscious in a Manchester hotel. Investigators discover her attacker is her ex and a serving police officer.