DETROIT – A 72-year-old Detroit woman was beaten with a rock by a man who knew her from shoveling her snow, police said. Lacey knew the woman because he had shoveled her snow in the past, officials said. When officers arrived, they found a bloody scene and transported the woman to a nearby hospital for treatment. Lacey was charged Saturday with carjacking, assault with intent to murder, unlawful driving away of a motor vehicle, receiving and concealing a stolen motor vehicle and third-degree fleeing and eluding police. A probable cause conference is scheduled for Feb. 19, and a preliminary examination is scheduled for Feb. 26.