
Above we see a 'terror' drill at the Jewish Community centre in Pittsburgh in January 2018.
"The drill was designed to allow 150 police officers, firefighters and paramedics to practice the process for an active shooter situation.
"Firefighters and paramedics assessed the injuries among the 70 volunteers who were playing victims."
Jewish groups participate in active shooter drill.

Robert Bowers.
On 27 October 2018, 'a shooting' occurred at the Tree of Life conservative synagogue in Pittsburgh, Pennsylvania. [3][4]
The synagogue's former president Michael Eisenberg said that the Department of Homeland Security has run 'safety' drills at the synagogue.
Robert Bowers: 5 Fast Facts You Need to Know | Heavy.com
On 27 October 2018, the authorities reported several fatalities along with several other wounded people (including three police officers).
Bill Peduto, mayor of Pittsburgh, told reporters four people were killed at the Tree of Life synagogue. Local media reported the toll at eight.
One suspect, Robert Bowers, [2] a white man with a beard, was taken into custody.[4][5]
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