Shane Tamura never played in the league, but the police believe he was seeking vengeance over the handling of head injuries in football.

L'uomo che a New York ha tentato l'assalto alla sede dell'Nfl accusava il football americano di avergli causato una malattia degenerativa per i troppi colpi alla testa subiti.…

The gunman in the Manhattan office shooting said in a note that he believed he had C.T.E., a degenerative disease linked by studies to repeated hits to the head.

Shane Tamura said he had CTE. His claim, which is unproven, has again put a spotlight on the NFL's troubling history with its players and the disease.

What to know about NYC gunman's football connection, which he mentioned in a note left behind after a deadly shooting where the NFL is headquartered.

Shane Tamura never played in the league, but the police believe he was seeking vengeance over the handling of head injuries in football.

From symptoms to the illness' risk factors — here’s what you need to know about the disease, which can only be detected by autopsy.

New York City's Office of Chief Medical Examiner told USA TODAY Sports it would examine the brain of NYC shooter Shane Tamura.