Dallas (WBAP/KLIF) – Saturday marked the 12th day of searching for the body of SMU Police officer, Mark McCullers. He was washed into flooded Turtle Creek, and is presumed drowned. His car was found in the creek a few days later, but there has been no sign of his body. The recovery effort has been scaled back, and is now generally concentrated on the Trinity River south of the Ellis County line.