 Sally Ann McGrath

Sally Ann McGrath, aged 22, who lived with her parents in Tower Street, Peterborough, England, was last seen in Cathedral Square, Peterborough at 2.45pm on 11 July 1979, after telling friends at The Bull Hotel that she was heading to the unemployment office on Church Street.Her disappearance sparked a huge investigation that lasted into the 1980s and saw over 3,000 people interviewed by a murder squad based at Peterborough's Thorpe Wood police station, who took around 10,000 statements.