Death on the DerwentDon't fool yourself that the innocent never go to jail. When Bob Chappell disappeared from his yacht, moored in the Derwent Estuary near the Royal Yacht Club of Tasmania's marina, on the night of 26 January 2009, he left behind his pipe and tobaccosomething that his partner of 18 years, Sue Neill Fraser, knew he would never willingly do. What she didn't know was that despite no body, no weapon, no cause of death, and no witnesses, she would soon