A shooting at the Islamic Center of San Diego left three adult men dead and two teenage suspects dead from apparent self-inflicted gunshot wounds on May 18, 2026, in an incident authorities are investigating as a hate crime that prompted security alerts at houses of worship across the nation.
San Diego Police Chief Scott Wahl said the two suspects were 17 and 18 years old and appeared to have died from self-inflicted gunshot wounds. He did not identify them beyond their ages. One of the three adults killed was a security guard at the Islamic Center who "played a pivotal role in assisting from this being much worse," according to Wahl. The other two adults killed were men. Authorities said there was "no further threat" to the public.
Warning Signs and Police Response
The mother of one suspect called police hours before the shooting to report that three of her weapons and her car were missing along with her son, Wahl said. That call triggered a "larger threat assessment picture" and the agency's threat-management unit began tracking the teens and the car, including using license-plate readers. Officers were sent to a local mall after several hits on the vehicle and to the teen's high school, though police had no specific threats. Wahl also said the suspect's mother found a note he had left but declined to share what it said.
Wahl said the location of the shooting led authorities to consider it a hate crime "until it's not," and later said there was no specific threat to the mosque but that "there was definitely hate rhetoric that was involved." He declined to be more specific, saying only that "general hate kind of speech ... covered a wide gamut." Mark Remily, Special Agent in Charge of the FBI's San Diego field office, said, "We will leave no stone unturned."
Community Impact and Security Measures
Several blocks around the Islamic center remained cordoned off with yellow police tape on the afternoon of the shooting, and parents crowded around the entrances of nearby schools to collect their children. Wahl confirmed that a landscaper had been shot at and suggested that his helmet potentially saved his life. Sharp Memorial Hospital, about 2 miles from the Islamic center, said in a statement that its "disaster procedures" were activated and that it received a patient with a "non-firearm-related injury."
The Muslim Community Center of Greater San Diego, a mosque about 20 miles north, closed for the day, saying in a Facebook post, "Due to the unfortunate shooting incident at Islamic Center of San Diego, we are closing all activities at MCC for today," and, "For your safety, please do not visit MCC today." Imam Taha Hassane of the Islamic Center of San Diego said in a brief statement that "we are safe," and said students, teachers and staff at the center's school were also not harmed.
National Response
Speaking at a White House event, President Donald Trump said he had been briefed on the shooting and called it "a terrible situation." California Gov. Gavin Newsom said in a statement with his wife, Jennifer Siebel Newsom, that he was "horrified by today's violent attack" and added, "To the San Diego Muslim community: we stand with you."
New York and Los Angeles police said they would increase their presence near houses of worship "out of an abundance of caution," though no known threat was known in either city. Police in Washington, D.C., said they would pay "special attention" to religious institutions and houses of worship but said there was no known threat. Los Angeles Mayor Karen Bass said, "houses of worship must be true sanctuaries where hate and violence have no place."
The Council on American-Islamic Relations and its San Diego chapter condemned the shooting in a statement. CAIR-San Diego Executive Director Tazheen Nizam said, "No one should ever fear for their safety while attending prayers or studying at an elementary school," and added, "We are working to learn more about this incident and we encourage everyone to keep this community in your prayers."
Why This Matters:
The attack underscores the critical importance of armed security at religious institutions and the effectiveness of private protective measures—the security guard's actions prevented greater loss of life. The incident also highlights the challenge law enforcement faces in threat assessment when family members report warning signs but no specific target exists. The mother's call to police hours before the attack demonstrates the value of community vigilance, though questions remain about whether existing protocols allowed for adequate preventive action. The national security response, with multiple major cities increasing protection at houses of worship, reflects the broader costs such incidents impose on public safety resources. The suspects' access to firearms despite their ages raises questions about secure storage requirements and parental responsibility for weapons kept in homes with minors.