In the immediate hours after at least four people were fatally shot, including an off-duty police officer, after a man carrying a long gun opened fire in Manhattan, lawmakers on both sides of

Investigators plan to question a man who supplied parts for a gun used in the shooting at a Manhattan office building that houses the National Football League's headquarters.

Police executed a search warrant at the Las Vegas apartment of Shane Tamura, where the items obtained included a goodbye note and a bipod for a rifle.