Multiple Fatalities in San Diego Mosque Shooting; Teenage Suspects Found Dead at Scene

Three people died Monday when two teenage gunmen opened fire at the Islamic Center of San Diego, an attack federal and local authorities are now investigating as a possible hate crime.

The suspects, aged 17 and 18, arrived at the mosque during midday hours and opened fire before both were later found dead from self-inflicted gunshot wounds near the scene. Among the three killed was a mosque security guard whose actions in the opening moments of the attack authorities and community leaders have called heroic. His confrontation with the gunmen delayed the assault and, according to investigators, likely prevented a far higher death toll.

The FBI joined local law enforcement in the hours that followed, and the investigation has since widened considerably.

What changed the character of this case early on was a phone call made before the shooting even began. The mother of one suspect contacted police that same morning with an urgent warning: her son was missing, had access to weapons, and had taken a vehicle. Officers launched an active search. They did not reach him in time.

That sequence raises hard questions about the gap between a credible warning and a lethal outcome, questions investigators have not yet answered publicly.

Law enforcement has since recovered multiple firearms and tactical gear from properties connected to the two suspects. The nature of that evidence points to planning that went well beyond impulse. Investigators are now focused on potential online radicalization and extremist motivations, working to establish whether the attackers had ties to broader networks or ideologies.

Meanwhile, the Islamic Center of San Diego has moved to strengthen its security posture. The community is preparing a vigil for the victims as it absorbs an attack on a place of worship, a type of violence that has struck religious institutions with troubling frequency in recent years across the United States.

The case sits at the intersection of several unresolved threads: the role of early warning systems, the speed at which radicalization can translate into action, and the limits of law enforcement response when minutes determine outcomes. As federal agencies continue piecing together the suspects’ full intentions, the central question is whether anything in that chain, from the mother’s call to the officers’ search, could have closed the gap.