Mass murderer Martin Bryant allegedly killed his father and friend before Port Arthur massacre
A new investigation into the background of Australia's worst-ever mass murderer, Martin Bryant, claims the gunman was responsible for the deaths of his father and closest friend - years before his murderous rampage through Port Arthur. Helen Mary Elizabeth Harvey, 59, and her two dogs died in a fatal car crash on October 20, 1992 - four years before the Tasmanian massacre in 1996 which claimed the lives of 35 men, women and children and saw all semi-automatic weapons banned from sale in Australia. Ms Harvey, who was an heiress to the Tattersall's lotteries fortune, left her sprawling proper...