On 21 March 2002, Amanda Jane "Milly" Dowler, a 13-year-old English schoolgirl, was reported missing by her parents after failing to return home from school and not being seen since walking along Station Avenue in Walton-on-Thames, Surrey, that afternoon. Following an extensive search, her remains were discovered in Yateley Heath Woods in Yateley, Hampshire, on 18 September.

Walton-on-Thames, known locally as Walton, is a market town on the south bank of the Thames in northwest Surrey, England. It is in the Borough of Elmbridge, about 15 mi (24 km) southwest of central London. Walton forms part of the Greater London built-up area, within the KT postcode and is served by a wide range of transport links. According to the 2011 Census, the town has a total population of 22,834. The town itself consists mostly of suburban streets, with a historic town centre of Celtic origin. It is one of the largest towns in the Elmbridge borough, alongside Weybridge.