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.