Gunman targeting NFL’s New York offices suffered from traumatic brain injury

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.
According to the report The findings correspond with the classification of low-stage CTE, according to current consensus criteria.”
In the deadliest attack in New York City in a quarter century, Tamura killed two security guards, one of them a city police officer on security detail, as well as a real estate executive and a business management associate, before taking his own life on the 33rd floor of the Park Avenue skyscraper.