FBI says people may be going to Pittsburgh, PA to kill police. Alert has been sent out. Officers aware. @WPBF25News
— Ari Hait (@wpbf_ari) December 22, 2014
HAPPENING NOW: threat against #Pittsburgh police. Sources confirm internal law enforcement memo warning officers. Will have more at 11 #WTAE — Courtney Fischer (@courtneyWTAE) December 22, 2014 DEVELOPING.