@CNN: These students have developed technology to protect their high schools during a shooting https://t.co/LUDXCnvECy https://t.co/OwZ0BoUStE

March 25, 2019 / The Arbiter / CNN

@CNN: These students have developed technology to protect their high schools during a shooting https://t.co/LUDXCnvECy https://t.co/OwZ0BoUStE

These students have developed technology to protect their high schools during a shooting https://t.co/LUDXCnvECy pic.twitter.com/OwZ0BoUStE

— CNN (@CNN) March 26, 2019

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