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Investigation Underway After Manhattan Gunman Blamed CTE and NFL

Authorities are examining whether the lone shooter’s chronic traumatic encephalopathy fueled his anger toward the NFL before he opened fire in a Park Avenue skyscraper.

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Overview

  • On July 28, a 27-year-old gunman armed with an AR-15-style rifle opened fire in the lobby of 345 Park Avenue, a 44-story Midtown Manhattan skyscraper.
  • Four people died, including off-duty NYPD officer Didarul Islam, and a fifth victim remains in critical condition.
  • Investigators recovered a suicide note in which Shane Devon Tamura claimed to suffer from CTE, blamed the NFL and asked for his brain to be studied.
  • Police Commissioner Jessica Tisch said officers secured the building with a lockdown supported by helicopters and drones and confirmed no other suspects.
  • The shooting has intensified calls for stricter assault weapon laws, enhanced mental health services and greater scrutiny of contact sports brain injuries.