After Michigan Killings, Students Praised Shooter Drills. But Do They Really Work?

Students at Oxford High School in Michigan, the scene of a mass shooting on Nov. 30, credit their active-shooter training with saving lives. But experts on school safety say some of the lessons taught in the training given to the OHS students, from a program called ALICE (alert, lockdown, inform, counter, evacuate), could endanger more people than they protect. The evidence that this and similar training is effective is quite thin, and critics fear it detracts from higher priorities: preventing, not just surviving, such shootings, and focusing on much more common forms of gun violence.

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