Shane Tamura’s Brain to Be Examined for CTE After Deadly NFL Headquarters Shooting

Medical examiners are set to analyze the brain of Shane Tamura, the gunman responsible for the deadly shooting at NFL headquarters, to determine if he suffered from chronic traumatic encephalopathy (CTE). The examination comes after notes found on Tamura accused the NFL of concealing dangers to players’ brains and explicitly mentioned CTE, blaming football for his condition.

Tamura, 27, who died by suicide after killing four people and wounding a fifth on July 28, 2025, at 345 Park Avenue, drove across the country with a semiautomatic rifle to carry out the attack. Police sources revealed he appeared to be targeting the NFL offices. The victims included a building security guard, a Blackstone executive, an NYPD officer, and a Rudin Management employee. An NFL employee was also critically injured but is now in stable condition.

The shooting investigation revealed Tamura had a history of mental health crisis holds in Nevada. He legally purchased the .357 revolver used in the attack, and a tip about his purchase of large amounts of ammunition and an aftermarket trigger was received prior to the incident. Governor Kathy Hochul has used the tragedy to renew calls for a national assault weapons ban, highlighting New York’s strong gun laws but emphasizing the challenge posed by weapons from other states.

CTE is a degenerative brain disease linked to repeated head trauma, commonly found in athletes and military veterans. While it cannot be definitively diagnosed in living individuals, Tamura’s brain examination is expected to shed light on his claims and potential motivations behind the horrific attack.

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