It is the unsolved murder that has haunted one of Greater Manchester's top detectives for decades. Dorothy Leyden was just 17 years old when she was brutally raped and killed on her way home from a concert.
She was battered to death with a brick. Her broken body was found on wasteland behind the Spread Eagle pub on Rochdale Road in Collyhurst.
More than 50 years on, her killer has still never been caught. That is despite Greater Manchester Police's Cold Case Unit having revisited the case several times, and detectives having a full DNA profile of the killer.
Just hours before she was found on April 25, 1971, Dorothy had been in the front row of a concert by Motown legend, Jimmy Ruffin, at the Golden Garter nightclub in Wythenshawe.
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