While officials continue to investigate the threats that closed all Los Angeles schools, security experts agree there will be a lot of second-guessing and, what’s worse, most likely copycats.
The nation’s second-largest district abruptly canceled classes Tuesday amid a “credible threat” of violence involving backpacks and packages across the city. But officials in New York who received a similar threat concluded it was a hoax.
03:58 Student shot by another student outside Utah middle school11
21:50 Boy wounded, suspect in custody after shooting at Union Middle School in Utah14
04:12 Teen cuffed after smuggling hatchet, blade in his backpack to Bronx school10
15:54 Chemical spill in Kansas town spurs call for residents to stay indoors3