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Gunman's Former SoCal Football Coach Reacts to Deadly NYC Mass Shooting: 'Still in Disbelief'

NEW YORK CITY, JUL 31 – Shane Tamura, 27, killed four people and injured one in a Manhattan office before his apparent suicide; motive may involve brain disease linked to repeated head trauma, officials said.

  • A gunman named Shane Devon Tamura killed four people and injured another in a New York City mass shooting before turning the gun on himself, carrying a note about his claim of having chronic traumatic encephalopathy linked to his high school football experience in California.
  • In a three-page note, Tamura requested that his brain be studied for CTE after expressing concerns about the National Football League's management of players with the condition.
  • The New York City Office of Chief Medical Examiner will test Tamura's brain for CTE as part of the autopsy, with potential further study by other researchers if the family allows it.
  • The Boston University CTE Center found that among 376 former NFL players tested for CTE, 91.7% were diagnosed, but cautioned that other factors, like mental illness, could also have influenced Tamura's actions.
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The incident happened in Manhattan; the attacker wanted to be analyzed if his cognitive impairment was due to the blows caused by the sport

·Buenos Aires, Argentina
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The Published Reporter broke the news in on Wednesday, July 30, 2025.
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