"I want to be able to protect them." As school boards across the country grapple with arming teachers in the wake of recent school shootings, a growing number of districts have sought to train their staff.

"I want to be able to protect them."

As school boards across the country grapple with arming teachers in the wake of recent school shootings, a growing number of districts have sought to train their staff. https://t.co/HxMCb6Pk8j

— NBC News (@NBCNews) June 19, 2018