The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note and was apparently targeting NFL offices.

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the heart of Manhattan during rush hour.

James Andrew McGann is the suspect in the Devil's Den State Park double homicide of two married hikers in Arkansas. That's according to the Arkansas Department of Public Safety, which announced McGann's arrest on July 30 in the murders of Clinton and Cristen Brink, who were murdered while hiking ...