Police have identified the gunman as Ali Syed, a 20-year-old unemployed part-time student. Police say Syed lived at the Laderaa Ranch residence where the first victim was killed.
The motive for the shootings is still unclear and it's also unclear if the victims knew each other or the shooter.
"I do not believe any of the victims are related to each other. It might have been a random thing," he said. "We just don't know."
In most of Calilfornia, it is very difficult to obtain a concealed carry permit. Carrying a loaded gun in a car is not permitted. This made the multiple carjackings in this incident possible. Given the shooters name, could the be sudden Jihad syndrome? Dean Weingarten