David Eastman On 3 November 1995, after a six month trial, David Harold Eastman was convicted by a jury of the assassination of AFP Assistant Commissioner Colin Winchester. On 10 January 1989, at about 9:15 pm, Colin Winchester was shot twice in the head with a Ruger 10/22 .22-calibre semi-automatic rifle fitted with a silencer. Winchester was murdered as he parked … Continue reading On this day (Australia): In 1995, David Harold Eastman was convicted of the assassination of AFP Assistant Commissioner Colin Winchester