[caption id="attachment_48231" align="alignleft" width="150" caption="Smiths Detection says x-ray machines can provide a level of security that metal detectors can't."]Smiths Detection says x-ray machines can provide a level of security that metal detectors can't.[/caption]

More school districts are turning to x-ray machines like those found in airports to strengthen and improve school security—a move that school safety experts say can improve physical safety as well as students’ and teachers’ emotional well-being while inside school buildings.

Patrick Fiel, public safety advisor for ADT Security Services and former executive director of school security for the Washington, D.C.,...

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