On 19 August 1987, a 27-year-old loner and gun fanatic called Michael Ryan became one of Britain's most notorious mass murderers when, armed with a shocking arsenal of guns, he embarked on a killing spree in a quiet English town. Eyewitness testimony and reconstructions provide a chilling account of the bloodbath, while the one-off film also recalls how gun laws and police communication systems changed after the slaughter.
