JOHN P. BLAIR / TERRY NICHOLS / DAVID BURNS / JOHN R. CURNUTT
The Columbine tragedy on April 20, 1999 began a new era in law enforcement as it became apparent that the police response to such mass shootings must be drastically altered. By the time the Sandy Hook Elementary School shooting occurred on December 14, 2012, outdated police response strategies had been replaced with new, aggressive tactics used by
