"It's very, very powerful. But you could stop a person with an AR-15 with a slingshot if you know how to use it," Napolitano said, suggesting that schools could prevent more shootings by moving toward "the Israeli model," where some teachers "are armed and quietly trained" to use firearms. It was a talking point mentioned by more than one Fox News personality in the hours after the shooting, but according to USA Today, schools in the Broward district typically have one or two school resource officers, typically Broward County sheriff's deputies who are armed and always on campus.