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Shane Tamura Blames CTE in Suicide Note After Killing 4 in NYC Shooting, Including NYPD Officer
Former football player Shane Tamura fatally shot four people in Manhattan before killing himself, leaving behind a note blaming CTE and accusing the NFL of hiding brain injury risks.

Shane Tamura, 27, identified as gunman in deadly NYC shooting at 345 Park Ave, killed 4, including NYPD officer Didarul Islam, before dying by suicide.
Suicide note found in his pocket blamed CTE, thanked a CTE documentary, and listed prominent neuroscientists.
Tamura, a former high school football player from Las Vegas, expressed grievances against the NFL, alleging it concealed brain injury risks.
He drove cross-country, entered the building with a rifle, and fired in the lobby and on the 33rd floor.