Accused Orange shooter who killed 4, including 9-year-old boy, knew the victims, police say
By Sean Emery, Josh Cain & Alma Fausto
Orange County, California shooting - Suspect identified as 44-year-old man; police say he knew 4 victims, including 9-year-old boy
By Leticia Juarez
4 killed, including child, in mass shooting at Orange office complex
By Matthew Ormseth, Anh Do & Vives Ruben