The San Diego mosque attack was a hate-driven mass shooting in which two online-radicalized teen gunmen used white supremacist accelerationist ideology, anti-Muslim target selection, livestreamed violence, and a propaganda-focused manifesto to frame the killing of three mosque community members as part of a broader effort to inspire racial and ideological violence.

A Telegram post from tempelovlarp circulated Atomwaffen-branded neo-Nazi propaganda that explicitly promotes violence and recruitment.