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Gunman made anti-police posts before killing NYPD officers

This 2010 booking photo provided by the Fulton County, Ga. Sheriff's office shows Ismaaiyl Brinsley after he was arrested on charges of terroristic threats, simple battery and marijuana possession.
This 2010 booking photo provided by the Fulton County, Ga. Sheriff's office shows Ismaaiyl Brinsley after he was arrested on charges of terroristic threats, simple battery and marijuana possession.