The degenerative brain disease that has besieged the National Football League for two decades with a billion-dollar lawsuit, ...

No ruling has been made yet on whether Tamura was suffering from the disease chronic traumatic encephalopathy (CTE), which he claimed to have had.

The gunman left behind a suicide note in which he claimed he had chronic traumatic encephalopathy (CTE) — the brain disease ...

The perpetrator said in a note that he suffered from CTE, a progressive neurodegenerative disorder caused by recurring head ...

Shane Tamura, 27, who fatally shot four people in the building that houses the National Football League's headquarters Monday ...

Chronic traumatic encephalopathy (CTE) is a progressive brain condition believed to be linked to repeated head injuries or ...

CTE, caused by repeated head trauma, has prompted a reckoning at all levels of football. The gunman believed he was suffering ...

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

A gunman who killed four people at a Manhattan office building before killing himself claimed in a note to have a brain ...

A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the car he drove ...