September 21, 2010 > Man dies of gunshot wounds Man dies of gunshot wounds By Meenu Gupta A 57-year-old Union City resident died after suffering multiple gunshot wounds last Tuesday. Police responded to a call of shots fired on 657 Whipple Road shortly after 4:30 p.m. and found the victim outside in the driveway of his home. The victim, a Hispanic male, has been identified as Humberto Diaz. According to Corporal Victor Derting, Union City PD, the suspect used a small caliber handgun and shot the victim twice on his upper torso. After rendering emergency first aid, the victim was transported to Eden Hospital in Castro Valley where he succumbed to his injuries. Diaz' Stepson, Luis Rick Sanchez was arrested at the scene. The 55-year-old who lived at the same address, was booked into jail on suspicion of murder. According to Lt. Kelly Musgrove, the fatal shooting was a result of a family disturbance. The suspect confessed to committing the crime while videotaped by an officer worn video camera. Anyone with information related to this case is encouraged to call (510) 675-5207 or write to tips@unioncity.org.