AR-15s and stun grenades: Inside the arsenals of California’s campus police forces
calmatters.org
State law permits campus police to own and use military weapons as long as they report it to the public. However, not every college follows the law.

For many public colleges and universities in California, keeping their campuses safe includes owning military-grade weaponry — AR-15s, stun grenades designed to cause temporary blindness and sonic weapons that resonate so loudly they are known in the armed forces as the voice of God.