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How Effective Are Lockdown Drills? There’s Little Data, But One Researcher Wants To Find Out

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15min 35sec
Heather Ainsworth For CPR News
Jaclyn Schildkraut, an associate professor of criminal justice at the State University of New York at Oswego, listens for movement in a classroom during a lockdown drill at Ed Smith Elementary School in Syracuse, New York on Monday, March 11, 2019.

Locks, Lights, Out Of Sight