Four-Power Authorities of Germany. Both were in West Berlin, Germany, and existed during the Cold War from 1948 to 1989. These were the Berlin Air Safety Center and Spandau Prison (which was demolished in 1987 when Rudolf Hess, the sole remaining prisoner, died). These two organizations were uniquely four-powered in that American, British, French, and Soviet authorities cooperated in their management. This was a far cry from the intensely adversarial relations the allies had with the Warsaw Pact leader in almost every other aspect of world affairs during this time. Both organizations remained low-profile and secretive during their existences to avoid highlighting
Dennis Allen (criminal) Dennis Allen (criminal) Dennis Bruce Allen (7 November 1951 – 13 April 1987) was an Australian drug dealer who was reported to have murdered many victims. He was based in Melbourne, and was the oldest son of criminal matriarch Kath Pettingill. Allen avoided capture for drug dealing by acting as an informant throughout his career. He died of heart disease in 1987 in prison custody awaiting trial for murder. Allen, nicknamed Mr. Death or Mr. D, was believed to have been involved in up to 13 underworld murders, including the dismembering of Hells Angels biker Anton Kenny with a chainsaw