On Thursday June 20, 2019 at approximately 3:30 a.m. Pleasanton Police Officers were dispatched to the 600 block of Sanchez in regards to an assist EMS call. Upon arrival, Officers located ANDREW MARCUS PEREZ, 21 year old male, with a single gunshot wound. Detectives and Texas Rangers were summoned to the location due to the suspicious nature, Detectives began investigating this shooting as a possible homicide. Through the investigation conducted by the Detectives and the Texas Rangers, it was determined that the victim suffered a single gunshot wound to the head which appears to be self-inflicted. Currently there is no evidence that supports any foul play. The case is still under investigation.