A driver with three drunk-driving offenses on his record allegedly struck and killed a Grayson County (Texas) Sheriff's deputy directing traffic late Saturday.
Deputy Chad Key, 42, responded to Highway 82 in Sherman just before 10:30 p.m. to assist deputies involved in a vehicle pursuit. As Deputy Key helped direct cars around the accident scene, Ricky Trent Stanley allegedly failed to stop and struck the deputy, according to the agency.