San Diego mosque shooter Caleb Vazquez walked out of mental health treatment center the day before massacre, police had prior warnings: sources
Caleb Vazquez, one of the shooters in the San Diego mosque attack, left a mental health treatment center just a day before the incident. Despite prior warnings and a firearms restraining order against him, he was able to carry out the attack with another teen, Cain Clark. Both individuals ultimately took their own lives after the shooting that resulted in three fatalities.
- ▪Caleb Vazquez walked out of a mental health facility the morning before the shooting.
- ▪He had a firearms restraining order issued after police responded to a welfare check due to disturbing social media posts.
- ▪Both shooters had been flagged to authorities but still managed to carry out the attack.
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Metro exclusive San Diego mosque shooter Caleb Vazquez walked out of mental health treatment center the day before massacre, police had prior warnings: sources By Joe Marino and Jared Downing Published May 21, 2026, 6:16 p.m. ET See more of our coverage in your search results. Add The California Post on Google One of the deranged teens behind the San Diego mosque shooting walked away from a mental health facility the day before carrying out Monday’s deadly attack, sources said. Caleb Vazquez, 18, left the Park Mental Health Treatment Center the morning before killing three people at an Islamic center with 17-year-old Cain Clark, law enforcement sources told The Post.
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