New York Post
By Joe Marino, Ross O’Keefe, Zain Khan, Jared Downing and Chris Nesi
Published May 19, 2026
Updated May 19, 2026, 5:56 p.m. ET
The teenage San Diego mosque gunmen appear to have left behind a shocking, hate-filled manifesto, which praised Adolf Hitler and a slew of mass murderers, before the attack, The California Post has learned.
Authorities are investigating whether 17-year-old Cain Clark and 19-year-old Caleb Vasquez wrote the nihilistic missive before killing three people and then each other, according to law enforcement sources.
The document expresses a desire to spark a race war and bring about the end of civilization.
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