Scotland's infamous serial killer Peter Manuel sits darkly in the minds of those who lived through the dark postwar years. Even before Bible John stole the headlines in the 1960s, The Beast of Berkenshaw, The Bedroom Killer kept Glaswegians awake at night. One of the last to be hanged in Barlinnie Prison, Manuel was sent down for seven murders in Scotland. One set of murders for which he was hanged, the Watt family, has always been in doubt. Did he take the drop for other people?