Sergeant Lionel Martinez suffered a fatal heart attack while responding to a shooting call on North Main Avenue at about 10:00 pm. He was responding to the initial call when he suffered the heart attack. His patrol car then struck a parked car on East Dewey Place near McCullough Avenue. Other responding officers immediately started CPR and he was transported to a local hospital where he died a short time later. Sergeant Martinez had served with the Alamo Colleges District Police Department for 21 years.