Texo Johnson, 67, was arrested with five others by corrupt officer who accused them of trying to rob him
A fourth member of the so-called Stockwell Six, a group of friends accused of trying to rob a corrupt police officer nearly 50 years ago, has had his conviction quashed by the court of appeal.
Texo Johnson, now 67, was with five other young black men who were all arrested on the London underground while on a night out on 18 February 1972.
