WALTHAM, Mass. — After three mass shootings in as many weeks, many Americans are left with a sense of numbness about what to do next. Away from the debate about gun control though, are people like Mike Ellenbogen, who are hoping to change the current status quo.
Four cameras then send a real-time image to a nearby computer tablet that would be monitored by security officials at a venue or school which has installed the scanners.
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