Before the shooting, Zelayagrunfeld had asked school staff to move students to a safe location, triggering a lockdown, according to the memo filed by the district attorney’s office. Taken together with recent surges in anti-Semitic hate crimes and the mass shooting at the Tree of Life synagogue in Pittsburgh roughly four months earlier, prosecutors believed the guard’s “perception of Perez’s behavior as dangerous was reasonable.”

Source: Los Angeles Times March 13, 2019 20:47 UTC