Shane Tamura, 27, said in a three-page note found in his wallet that he had chronic traumatic encephalopathy — diagnosable only after death — and implored those who found him: “Study my brain.” Among his grievances against the NFL was a claim that the league put its profits ahead of player safety by concealing the harm CTE, and football, can cause.
Here's what to know about CTE, the brain disease the NYC shooter blamed for his mental health issues
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Authorities have not provided more specific information about Tamura’s psychiatric history but are investigating claims he included in a handwritten note he left behind, in which he said he had chronic traumatic encephalopathy, or CTE, a degenerative brain disease linked to repeated head trauma.
Questions emerging about NYC gunman's mental health and his security-sensitive job in Las Vegas
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