Tier 1 carried by a primary record
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May 20, 2026 FBI and San Diego law enforcement had previously flagged one mosque shooter as a threat and seized his father's guns a year before the attack Tier 1 · Primary Civil Rights and Dissent
A known extremist carried out a mass shooting despite prior threat-assessment flags, revealing failures in the prevention pipeline for radicalized individuals.
Independently corroborated by5 independent news desks
Supporting reportingSurfacings — do not carry alone
Supporting reports
- FBI flagged San Diego mosque shooter as potential threat; father's guns seized a year prior — Caleb Vazquez, 18, one of two white supremacist shooters who killed three people at the Islamic Center of San Diego on Monday, had been flagged by the FBI as a "potential threat" and was already on law enforcement radar. Local officials, alarmed by his idolization of mass shooters and Nazism, seized his father's guns in a protective order a year before the attack. Vazquez had also been placed in an involuntary psychiatric hold. Despite these interventions, he and accomplice Cain Clark, 17, carried out the mosque attack, which killed a security guard and two other men.
Verified: Tier 1 primary record
Week 70 – 2026-05-16–2026-05-22
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May 19, 2026 Cain Clark and Caleb Vazquez carried out a mass shooting at the Islamic Center of San Diego, killing three people Tier 1 · Primary Civil Rights and Dissent
Two radicalized teenagers attacked a mosque, killing a security guard and two others, in an apparent hate crime targeting a religious minority community.
Independently corroborated by6 independent news desks
Supporting reportingSurfacings — do not carry alone
Supporting reports
- Mass shooting at Islamic Center of San Diego; two teenage assailants killed three victims and themselves — Two teenagers, identified as Cain Clark (17) and Caleb Vazquez (18), opened fire at the Islamic Center of San Diego on May 19, killing three victims: security guard Amin Abdullah, Mansour Kaziha, and Nadir Awad. The shooters, who had met and been radicalized online, rushed the mosque "fully armored" with handguns and rifles. Police found them dead from self-inflicted gunshot wounds near the scene. The FBI recovered a manifesto expressing "broad hatred" toward various races and religions, along with 30 firearms, tactical gear, and ammunition from two residences. The shooting prompted lockdowns at five nearby public schools.
- Mass shooting at Islamic Center of San Diego kills three worshippers; two teenage suspects dead from self-inflicted wounds — Three people, including a security guard, were killed in a shooting at the Islamic Center of San Diego (ICSD), the county's largest mosque, shortly before midday prayer. Two suspects, aged 17 and 18, died from apparent self-inflicted gunshot wounds. The mother of one suspect had called police two hours prior reporting her son missing along with weapons and a vehicle. Authorities are investigating the incident as a hate crime; the FBI recovered evidence of "generalized hate rhetoric" by the attackers. No children at the center's school were harmed.
- Two teenagers opened fire at Islamic Center of San Diego, killing three men; attackers found dead from self-inflicted wounds — On Monday, May 19, 2026, two teenagers aged 17 and 18 opened fire at the Islamic Center of San Diego, killing security guard Amin Abdullah (51), mosque elder Mansour Kaziha (78), and community member Nadir Awad (57). Abdullah engaged the attackers, delaying their advance and protecting approximately 140 children nearby. Kaziha called 911 and Awad attempted to intervene. Both attackers fled and were found dead from apparent self-inflicted gunshot wounds several blocks away. Police and FBI are investigating as a hate crime, with the FBI noting the attackers appear to have been radicalized online.
- Memphis Safe Task Force agents shoot and kill Jonah Neal during mental health call — On 21 May, Memphis Safe Task Force officers responded to a report of an armed man threatening to harm himself at a home. Police reported finding Jonah Neal, 25, with several weapons inside. A Homeland Security special agent shot and killed him. This is the third officer-involved death attributed to the taskforce.
Verified: Tier 1 primary record
Week 70 – 2026-05-16–2026-05-22
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