Boston Police conducted one of their50 annual active shooter training drillswith the School and SWAT Units in Brighton on Thursday in a simulated scenario similar to the shooting at Brigham and Women's Hospital in January when a man shot and killed a beloved doctor.
The exercises focus on a shooter in schools, hospitals, and large office buildings.
"Our job is to always be ready for something serious," Officer Rachael McGuire said. "We regularly train in casesomething terrible like a shooter or hostage situation occurs."
- Celebrity deaths 2018: All the stars we lost too soon 45 Pictures
- 10 finalists for TIME Person of the Year 2018 11 Pictures