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Online Hate Radicalized San Diego Teen Shooters in Mosque Attack

May 20, 2026

Summary

Two teenage suspects, Caleb Liam Vazquez and Cain Lee Clark, responsible for a mosque shooting in San Diego that killed three, were likely radicalized online and authored a manifesto expressing nihilistic and antisemitic views, including white replacement theory.

How coverage differs

Left outlets emphasize the online radicalization and nihilistic hate fueling the San Diego mosque attack, while right outlets detail the graphic violence and the shooters' antisemitic, neo-Nazi manifesto.

  • Left: Teen shooters' nihilistic hate indiscriminately targeted many groups Left-leaning outlets emphasize the 'nihilistic hate' and online radicalization that fueled the San Diego mosque shooting by Caleb Liam Vazquez and Cain Lee Clark. They highlight the dangerous ideology driving the attackers, focusing on the broader societal implications of such extreme views.
  • Center: Officials confirm online radicalization fueled San Diego mosque suspects Center outlets report on officials' statements that the two teenage suspects, Caleb Liam Vazquez and Cain Lee Clark, were likely radicalized online before the San Diego mosque shooting. They present the factual details surrounding the investigation into the attack that killed three people.
  • Right: Extremist online ideologies drive teens to commit horrific, antisemitic violence Right-leaning outlets vividly detail the graphic violence of the San Diego mosque attack, including dashcam video showing the killers opening fire on an innocent landscaper. They also highlight the specific antisemitic content of the shooters' manifesto, which declared Jews the 'universal enemy' and espoused neo-Nazi views.

Coverage by lane

Left

  • Teen attackers in mosque shooting were wallowing in nihilistic hate

Center

  • Teen Suspects in San Diego Mosque Shooting Likely Radicalized Online, Officials Say

Right

  • Nightmarish new dashcam video shows San Diego mosque killers open fire on innocent landscaper as they drove past him
  • Jews are 'universal enemy,' San Diego shooters wrote in neo-Nazi antisemitic manifesto

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