A shooting at San Diego’s largest mosque that left at least five people dead on Monday, including the suspected perpetrators, is being investigated as a possible hate crime linked to white supremacist extremism, according to local authorities.
The Center for the Study of Organized Hate (CSOH), a Washington, D.C.-based think tank, released a report last month that documented a 1,450% surge in anti-Muslim social media posts by Republican elected officials from February 2025 to March 2026.