Santa Ana police shot and killed an 18-year-old man Wednesday night after a traffic stop escalated into a pursuit and confrontation inside a parking garage, authorities said. WATCH HERE WATCH HEREThe driver, identified as Victor Lopez of Santa Ana, exited the vehicle, dropped a loaded handgun, and initially walked toward an officer with his hands raised, police said. Lopez then turned back toward the firearm and lowered his hands, ignoring the officers' orders, according to Santa Ana PD. Lopez's 19-year-old girlfriend and their toddler were inside the vehicle at the time of the shooting. The case is now under investigation by Santa Ana police and the Orange County District Attorney’s Office.