San Diego Mosque Shooting: Hate‑Fueled Attack Kills Three, Security Guard Praised as Hero

In a shocking and tragic attack that has shaken the San Diego community to its core, three men were killed during a shooting at the Islamic Center of San Diego on Monday, with authorities investigating the incident as a potential hate crime linked to Islamophobic and extremist ideologies .

Police said the suspects, identified as 17-year-old Cain Clark and 18-year-old Caleb Vazquez, were found dead in a nearby vehicle after the shooting, in what officials believe was a shooting spree fueled by radicalization and hatred .

Investigators are reviewing a video reportedly posted online by one of the suspects that appears to show a livestream of the attack and its aftermath, revealing chilling insight into the planning and intent behind the assault .

Authorities described the Islamic Center shooting as intentional and ideologically motivated. Early reports indicate that the suspects had targeted the center and that their actions may be tied to nihilistic violent extremism, white nationalist beliefs, and anti-immigrant ideologies, with both teens reportedly radicalized online .

The attack unfolded just before noon, when the suspects entered the mosque, which houses an elementary school with approximately 140 children present at the time.

Video footage shows the assailants moving methodically through the building, confronting a security guard named Amin Abdullah, who bravely engaged them outside and delayed their entry into the main areas of the mosque, saving countless lives .

Police said the attackers carried a Sonnenrad patch, a neo-Nazi symbol, along with additional insignia likely tied to a militant accelerationist group, and that their firearms bore drawings of SS bolts and other neo-Nazi emblems.

A lengthy 75-page document authored by the teens promoting white nationalist beliefs, violent extremism, and misogyny was also recovered, with essays containing hateful rhetoric targeting immigrants, racial minorities, and women .

Inside the mosque, the security guard’s heroism was critical. San Diego Police Chief Scott Wahl described how Abdullah’s actions prevented the attackers from gaining access to areas where children were located, allowing those inside to hide and avoid harm.

Despite his efforts, two other victims, Mansour Kaziha and Nadir Awad, were tragically killed outside in the parking lot as the suspects pursued them after leaving the building .

The two suspects allegedly prepared extensively for the attack. Authorities discovered numerous firearms, tactical gear, and ammunition in residences associated with the teens, including pistols, rifles, shotguns, and even a crossbow, illustrating a disturbing level of planning and intent .

Clark and Vazquez reportedly obtained at least some firearms from family members, raising questions about access to weapons and the dangers of extremist influence on youth .

Investigators are also analyzing social media accounts connected to the suspects, which reflect possible associations with nihilistic violent extremism, and are reviewing electronic devices to determine the scope of their radicalization, the formation of their ideology, and any potential collaborators .

Early interventions had been made in 2025 when police in Chula Vista, California, spoke with Vazquez after concerns were raised about his interest in extremist content and mass-casualty attacks, although at that time the concerns did not meet the threshold for arrest .

The Islamic Center of San Diego, the largest mosque in the county, described the attack as unprecedented and expressed deep sorrow for the victims. Imam Taha Hassan condemned the attack, stating:

“It is extremely outrageous to target a place of worship. Our Islamic center is a place of worship. People come to pray, to celebrate, to learn, not only Muslims, but we have people from all walks of life. The religious intolerance and the hate, unfortunately, that exists in our nation is unprecedented.”

The Council on American-Islamic Relations (CAIR) also condemned the attack, emphasizing the terror and trauma caused to the community: “Our thoughts are with everyone impacted by this attack.

No one should ever fear for their safety while attending prayers or studying at an elementary school.” Mayor Todd Gloria reinforced the city’s commitment to protecting places of worship, stating that patrols have been increased across Muslim, Jewish, and other faith communities in response to the attack .

Authorities continue to investigate the precise motives behind the shooting, examining extremist writings, online communications, and the broader network that may have influenced the teens.

While the mosque itself may not have been the initial target, investigators said the attack reflects a broad hatred toward multiple communities, highlighting the dangers posed by radicalization and the dissemination of violent ideology online .

The tragedy has left families grieving, communities traumatized, and officials urging vigilance and prevention.

The heroism of Amin Abdullah, the security guard, has been recognized as saving numerous lives, even as the toll of the attack claimed the lives of three innocent adults, emphasizing both the human cost of hate-driven violence and the bravery required to confront it .

The San Diego Police Department and FBI are continuing to work closely on the case, combing through digital evidence, social media accounts, firearms, and writings to uncover the full scope of the suspects’ plans, their radicalization, and any potential accomplices.

Officials stressed that hate has no home in San Diego and emphasized the importance of community awareness in preventing future attacks .

In the wake of the tragedy, the city is grappling with the loss, honoring the victims, and highlighting the urgent need to confront religious intolerance, neo-Nazi ideology, and extremist radicalization, while also reinforcing the critical role of preparedness, security measures, and the courage of those who act to protect others in moments of extreme danger .

The Islamic Center attack underscores a terrifying reality: that extremist ideologies, when combined with access to firearms and the influence of online radicalization, can result in devastating, lethal violence, leaving communities to cope with loss, trauma, and the urgent need for vigilance and education to prevent future tragedies