An off-duty San Antonio police officer is under investigation for suspicion of drunk driving following a single-vehicle crash, KSAT reports, citing details from a Bexar County Sheriff’s Office (BCSO) incident report and a blood-draw warrant.  Around 4 p.m. Tuesday, Bexar County sheriff’s deputies responded to a report that a vehicle driven by David McCall, a 17-year SAPD veteran, plowed into the front yard of a house on the 3400 block of Coryell Cove in far West Bexar County, according to KSAT.