A police officer known to have framed at least 13 people in London may have set up more than 100 innocent victims.

DS Derek Ridgewell targeted mostly black people in the 1970s, falsely accusing them of robbery.

He beat them up if they tried to resist arrest, before fabricating a semi-confession and lying on oath so they would be convicted.

The corrupt British Transport Police officer died at the age of 37 in jail in 1982.

But detectives believe dozens more innocent people may have been subject to abuse by the prolific offender, with up to 18 more officers potentially implicated.

Graham Satchwell, a former detective said it was ‘most probable’ that more than 100 of Ridgewell’s victims were still awaiting justice.

The author of ‘Rot at the Core’, which investigates the Ridgewell scanda

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