On March 10, 2022, at approximately 12:26 p.m., the Santa Ana Police Department received an alleged bomb threat at Santa Ana High School. The caller further alleged being armed. The Santa Ana Police Department, Santa Ana School Police Department, and the Orange County Sheriff’s Department Bomb Squad responded to investigate. The school was placed on lockdown while the Orange County Sheriff’s Bomb Squad conducted a search for explosives. At approximately 4:20 p.m., the high school campus was rendered safe, and students were released. No suspect or explosives were located. Santa Ana Police Department worked closely in collaboration with the Santa Ana Unified School District administration to provide timely updates to this evolving incident.