(Cincinnati) A man is found dead on the highway. Police were called in at about 2 a.m. Sunday morning for reports of a body on the highway. Cincinnati police say the body of 21-year-old Christopher Walker was found next to the high speed lane on I-71 north near the Oak Street overpass in the Walnut Hills area. Police believe that Walker was attempting to cross I- 71 by foot when he was struck by a car that did not stop.  Police are asking anyone with any information call the traffic division at 513-352-2514.