Law Enforcement Investigating Bomb Threats Against 3 Ivy League Schools, Including Columbia University

CBS New York

November 8, 2021

Several buildings on the Columbia University campus were evacuated Sunday following a bomb threat, the school said.

The NYPD later deemed the threat a swatting incident, and the school cleared three impacted buildings — Lerner Hall, Butler Hall and Carman Hall — for occupancy.

Andy Costello, a former NYPD deputy inspector of police, said squatting has two meanings. One is when someone makes a fake threat to distract police before committing a crime somewhere else.

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