FIE - In this April 17, 2019, file photo, a police officer walks to the front doors of Columbine High School in Littleton, Colo., where two students killed 12 classmates and a teacher in 1999. The Jefferson County School District has abandoned a proposal to demolish Columbine and replace it after a community survey showed strong opposition to the idea. (AP Photo/Joe Mahoney, File)
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