Las Vegas man who shot and killed four people in New York City had CTE

Shane Tamura , who drove cross-country from Las Vegas and opened fire at the New York headquarters of the NFL, killing four, had CTE , the New York City Office of the Chief Medical Examiner said Friday, confirming what was in the shooter’s own writings.

Police found a three-page note in Tamura’s pocket claiming he had a traumatic brain injury and blaming the NFL for “concealing the dangers to players’ brains to maximize profits.”

Elsewhere Tamura wrote, "Study my brain please. I'm sorry."

“Following a thorough assessment and extensive analysis by our neuropathology experts, OCME has found unambiguous diagnostic evidence of Chronic Traumatic Encephalopathy, also known as CTE, in the brain tissue of the decedent.

"The findings correspond with the classification of low-stage CTE, a