A £20,000 reward has been offered for information as detectives try to solve a murder that saw the wrong man spend almost 40 years in prison.
Diane Sindall, 21, was murdered in Birkenhead, Merseyside, in the early hours of Saturday 2 August 1986. Her body was discovered by a member of the public in an alleyway off Borough Road in the Wirral town several hours later.