By James Oliphant

(Reuters) -The man who killed four people at a midtown Manhattan office tower housing the NFL’s head office suffered from a traumatic brain injury commonly associated with football players, the New York City Medical Examiner’s Office said on Friday.

Shane Tamura, 27, a Las Vegas casino security officer and former high-school football player, had left a “suicide note” blaming the National Football League for his degenerative brain condition.

“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 office of the Chief Medical Examiner said in a statement. “The findings correspond with the classifica

See Full Page