On Thursday, October 12th, at around 10:40 p.m., the Grand Prairie Police Department responded to a shooting investigation at the Medical City ER Grand Prairie located in the 5200 block of Lake Ridge. At the Emergency Room, officers located a male with an apparent gunshot wound who had been transported to the location by his friends. The victim, identified as Simon Nguyen, 18 years of age, was pronounced deceased by Emergency Room staff.