Bent Coppers: Crossing The Line Of Duty

BBC2, Wednesday, 9pm Who polices the police? In the hit drama Line of Duty, it’s AC-12, but this new documentary series explores the formation of the first internal anti-corruption unit,a10, prompted by a story that went to the top of the Met.

The first episode begins in 1969 when investigation suggested that rather than just one bad apple, there was a secret network of corrupt coppers at the heart of the Metropolitan CID.