Double killer Christopher Halliwell had extensive links to the spot where a murdered graduate was dumped 30 years ago, a Mirror investigation can reveal. Melanie Hall , 25, vanished after leaving a Bath nightclub in the early hours of June 9, 1996. Her remains were finally found 13 years later, 28 miles north, by a slip-road off the M5 in Gloucestershire. Det Chief Insp Ben Lavender said in January that one theory was that the killer had links to Dursley, five miles from where Melanie was