The murder of Leanne Tiernan was a high-profile English child murder involving a 16-year-old schoolgirl who was abducted less than one mile from her home on 26 November 2000 while returning from a Christmas shopping trip in Leeds, West Yorkshire, and subsequently murdered. The missing person inquiry which followed was one of the largest in the history of West Yorkshire Police, involving the search of around 1,750 buildings, underwater searches of thirty-two drainage wells, the draining of a two-mile section of a canal and the halting of household waste collections.