Cops Gone Bad with Will Mellor Season 1, Episode 2: Martin Forshaw

David Carrick

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.

43 min

Kashif Mamood

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.

43 min

Michael Coulton

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.

43 min

Mark Standen

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.

43 min

Rodney Whitchelo

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.

43 min

Drew Peterson

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.