A killer driver who failed to defrost her windscreen properly repeatedly ran over a man before calling him a "smackhead" while he was still under her car. Megan Murphy, 26, struck the man in the early hours of January 9 last year while driving the wrong way down a one-way road near her former home in Marsh Green, Wigan, a court heard. Local Darryl Tomlinson, 31, had collapsed following an evening out drinking with friends. Neighbours called 999 after spotting him in the street, but "in an awful