By Mark Kauzlarich KALAMAZOO, Mich. (Reuters) - The Michigan Uber driver charged with murdering six people changed vehicles after sideswiping a car at the start of the shooting spree, authorities said on Tuesday, adding that they hoped his phone would help establish a motive for the killings. Jason Dalton, 45, was denied bail on Monday after a court in which a detective testified that Dalton admitted to the five-hour shooting rampage over the weekend in Kalamazoo, about 150 miles (240 km) west of Detroit. Searching for a motive for the violence, investigators are now focusing on a gun and a cell phone seized from Dalton and reports that he drove fares for the Uber car-hailing service in between the shooting episodes, said Paul Matyas of the Kalamazoo County Sheriff's Department.



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