A female suspect who opened fire at YouTube's headquarters is dead and her motivation for the shooting was likely a domestic-related dispute, NBC News reports based on conversations with multiple senior law enforcement officials.
San Bruno Police Chief Ed Barberini said in a press conference that four victims were found on the scene, one with a possibly self-inflicted gunshot wound. Three victims were taken to San Francisco General Hospital and a hospital administrator said in a press conference that one was in fair condition, one was in serious condition, and one patient was in critical condition.