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Behavior of teen in mosque shooting led police to seize family guns a year before attack

Police had removed 26 guns from one suspect’s father’s home months earlier after reports of Nazi idolization and mass-shooter fixation, court records show.

  • On Monday, 18-year-old Caleb Vazquez and 17-year-old Cain Clark attacked the Islamic Center of San Diego, killing three people before dying by suicide. Police later recovered 30 weapons from three homes connected to the gunmen.
  • Police had previously identified Vazquez as a threat, obtaining a January 29, 2025, court order to remove 26 guns from his father Marco Vazquez after officers documented the teen was 'involved in suspicious behavior idolizing Nazis and mass shooters.'
  • Investigators believe Vazquez and Clark met online and fed off each other's 'radicalised ideology,' while documents reveal Vazquez had been placed on a 72-hour mental health hold last year due to concerns about his fixation on mass violence.
  • The Vazquez family released a statement Wednesday condemning the 'hateful rhetoric, extremist content and propaganda' that 'contributed to his descent into radicalized ideologies and violent beliefs,' while acknowledging mental instability despite therapy efforts.
  • Authorities are authenticating a 75-page manifesto found in the gunmen's vehicle, as the FBI continues investigating the pair's extremist ties and the motive behind the rampage.
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New York Post broke the news in New York, United States on Thursday, May 21, 2026.
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