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Panel: 18-W: 23
Department: New York City, New York, P.D.
End of Watch: September 11, 2001
Cause: Terrorist Attack
Years of Service: 13
Description: Sergeant Gillis was among over seventy law enforcement officers from a total of seven federal, state, and local agencies who were killed when terrorists crashed two of four hijacked planes into the New York City World Trade Center on the morning of September 11, 2001. New York City Police Department lost twenty-three officers in this incident. Sergeant Gillis was assigned to the NYPD Emergency Services Unit, Squad 8.