The degenerative brain disease that has besieged the National Football League for two decades with a billion-dollar lawsuit, congressional hearings, an A-list movie and an unrelenting cortege of

The man who opened fire outside the NFL’s New York City headquarters this week claimed he was driven by brain damage from playing football. But the world’s leading CTE expert is calling foul.Dr. Bennet Omalu,

The gunman accused of killing four people in a Midtown Manhattan office tower bought the AR-15-style rifle used in the attack from his boss at a Las Vegas casino.

A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the car he drove across country from his supervisor at a Las Vegas casino, authorities said Wednesday.

The gunman who opened fire in a New York City skyscraper, killing four people, including an off-duty cop, bought his $1,400 gun from his boss at a Las Vegas casino where he had worked, according to officials.