PBS NewsHour
Last school year, 4 million students were on lockdown
“During the last school year, more than 4 million students participated in at least one lockdown, most often in response to a perceived gun or violent threat, a Washington Post report found. And these perceived threats, psychologists say are causing students trauma. Reporter John Woodrow Cox joins Hari Sreenivasan for more”
Watch more at https://www.pbs.org/newshour/
