separate collisions involving navy destroyers in the pacific. the navy contacted a comprehensive review of these incidents some recommendations included more sleep records, radar and readiness. a deadly 48 hours in law enforcement. two police officers gunned down while on duty. a massive manhunt now underway to find the killer. one gunman fatally shot, detective sean suter in maryland on wednesday. two days later, officer brian shaw killed in a shooting in pennsylvania. devastating news. brian is joining me now here and set with an update on both cases. you have any leads on the officers? question and continues. we still do not have a suspect description. they found a brown jeep grand cherokee related to the shooting. this happened at 815 last night in west pennsylvania. 20 miles north of pittsburgh.