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Investigators Probe How Warnings, Guns and Online Extremism Converged in San Diego Mosque Killings

Authorities are examining whether a rescinded gun‑restraining order, prior psychiatric detention, extremist online material, and disputed firearm records helped enable the teens' attack.

Overview

  • The attack, which occurred Monday, May 18, left three men dead — Amin Abdullah, Mansour Kaziha and Nadir Awad — and the two teenage suspects, 18‑year‑old Caleb Vazquez and 17‑year‑old Cain Clark, were later found dead from apparent self‑inflicted gunshot wounds.
  • Police and the FBI say investigators recovered extremist writings, Nazi imagery, a gas canister with a Nazi sticker and guns with racist inscriptions at the scene and in the suspects’ vehicle, and they are treating the case as a hate‑crime investigation.
  • Court records show Chula Vista police sought a gun‑violence restraining order in January 2025 after a welfare check and a 72‑hour psychiatric hold for Caleb Vazquez, but a judge rescinded and dismissed the temporary order on March 11, 2025, a development now under scrutiny.
  • Authorities executed searches at the Vazquez home, removed evidence and urged the public and media not to circulate unverified photos of suspects while investigators work to reconcile conflicting firearm counts tied to the family’s records.
  • The Muslim community has held large funerals and vigils and advocates are demanding reviews of prevention steps, including how schools, police and courts use psychiatric holds and gun‑violence restraining orders to reduce future risks.