@CNN: This high school in Anchorage, Alaska, is using the sound of real gunfire to prepare students for active shooters https://t.co/Jzhuud6Smd https://t.co/Nvcpp3Hbhq
This high school in Anchorage, Alaska, is using the sound of real gunfire to prepare students for active shooters https://t.co/Jzhuud6Smd pic.twitter.com/Nvcpp3Hbhq
— CNN (@CNN) March 17, 2018