FAIRFIELD-SUISUN, CALIFORNIA Orange police officer Colten Ivans guards the crime scene as police investigate a shooting that left four people dead at an office building at 202 W. Lincoln Avenue on Thursday, April 1, 2021, in Orange, CA. (Irfan Khan/Los Angeles Times/TNS) California gunman locked gates of office complex before killing 4; police say he knew victims ORANGE – The gunman who killed four people, including a 9-year-old boy, at an office park in Orange locked the gates to the complex with bike cable locks and was armed with a weapon as well as pepper spray and handcuffs, police said Thursday. Authorities said the shooting occurred inside a real estate and manufactured home business, Unified Homes, and the gunman and victims were connected through business and personal ties. Wednesday’s attack was not random, they said.