Armed with a shotgun opened fire in the Southern California Edison offices in Irwindale on Friday, killing two employees and wounding two others before taking his own life.
One of the victims died on the spot and one died on his way to the hospital. Two other victims that conditions were not immediately available, said Captain Michael Taylor Baldwin Park Police Department, who helped with the investigation.
The source said the gunman was also an employee at Edison building that works as a systems analyst. His name was not released.
PHOTO: gunman shoots 4 at SoCal Edison offices in Irwindale
An employee told The Times that he and others locked the door to their Office and placing front office equipment from it in hopes to prevent the shooter to enter.