Fifteen months before Caleb Liam Vazquez gunned down three men at the San Diego Islamic Center, Chula Vista police got a court order to remove his father’s numerous firearms.Vazquez, 18, was undergoing mental health treatment in the days before Monday’s deadly attack, having been previously involuntarily hospitalized by authorities.His parents, in the aftermath, said that he was caught up in a web of online hate, and the tragic events came after repeated voluntary trips to rehabilitation treatment centers. Vazquez came onto authorities’ radar in January 2025, when concerns about his mental health arose. Chula Vista police filed a gun violence...