The two teenagers responsible for the deadly shooting at the Islamic Centre of San Diego left behind a lengthy neo-Nazi manifesto filled with extreme antisemitic conspiracy theories, according to documents reviewed following the attack, reports The Jerusalem Post.
The gunmen, identified as 18-year-old Caleb Liam Vazquez and 17-year-old Cain Lee Clark, killed three people during the assault before apparently taking their own lives.
Although the attack targeted Muslims, investigators say the manifesto revealed a worldview deeply rooted in neo-Nazi antisemitism, white supremacist ideology, and online extremist culture.
The 75-page document repeatedly described Jews as the “universal enemy” and blamed them for nearly every major social, political, and economic problem in the world. The text drew heavily on the so-called “Great Replacement” conspiracy theory, a far-right belief claiming that white populations are being deliberately replaced through immigration and multiculturalism, allegedly orchestrated by Jews.
The manifesto accused Jews of controlling governments, banking systems, immigration, media, and social change, while also promoting longstanding antisemitic myths involving secret conspiracies, social degeneration, and ritualistic evil.
Among the most extreme passages were outright Holocaust denial claims. The shooters described the Holocaust as a “complete fabrication” and repeated antisemitic narratives commonly found in neo-Nazi propaganda.
The document also blamed Jews for pornography, feminism, LGBT movements, race mixing, and the crimes of convicted sex offender Jeffrey Epstein, portraying these issues as part of a wider Jewish conspiracy.
Women were also heavily targeted throughout the manifesto, which included misogynistic rhetoric associated with “incel” extremist subcultures. Vazquez reportedly expressed resentment towards women for rejecting him romantically and described women as one of the world’s greatest sources of evil after Jews.
Despite targeting Muslims in the attack, Vazquez wrote that he did not primarily hate Muslims themselves, but rather Islam and what he described as Middle Eastern immigration into “white countries.”
According to the Federal Bureau of Investigation, the two teenagers met online through extremist networks before discovering they both lived in the San Diego area and later meeting in person.
Authorities said the pair displayed multiple neo-Nazi symbols during the attack. Swastikas, imagery linked to the extremist group Atomwaffen Division, and the slogan “Race War Now” were reportedly found on their weapons and equipment.
The case has renewed concerns about the growing role of online radicalisation among young people, particularly the overlap between antisemitism, white supremacist ideology, misogyny, and accelerationist extremist movements.
Security experts have repeatedly warned that antisemitism functions as a central ideological force connecting many modern extremist movements, including neo-Nazi groups, conspiracy communities, and violent online subcultures.
The San Diego attack also highlights how extremist propaganda increasingly combines hatred towards multiple groups while placing antisemitic conspiracy theories at the centre of a broader worldview, blaming Jews for global events and social change.
Photo credit: REUTERS/MIKE BLAKE
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