Following the arrest of Brady for a single murder, police discover a tape recording of a 10-year-old girl being tortured and realise they are investigating a string of murders. Eyewitness Clive Entwistle describes the first police search of the moors above Manchester. He was present when the remains of the girl on the tape were found, and explains how police used photographs of the serial-killing couple posing on the moors to locate the body of the third known victim, a 12-year-old boy