Moment drugged-up driver kills gran, 60, in 85mph horror smash after driving on wrong side of road

THIS is the moment a drug driver killed a gran in an 85mph horror smash while speeding on the wrong side of the road. Dwayne Arney, 34, was captured in the shocking footage driving at more than 50 miles-per-hour above the 30mph speed limit. He then ploughed into 60-year-old Rosemary Wooldridge in a head-on collision...