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The man who opened fire and killed four people at the NFL office in New York in July had “unambiguous diagnostic evidence” CTE, the New York City office of the chief medical examiner said on Friday.
“Following an in -depth evaluation and an in -depth analysis of our neuropathology experts, the OCME has found unambiguous diagnostic evidence of chronic traumatic encephalopathy, also known as CTE, in the cerebral fabric of the deceased.
“The CTE can be found in the brain of the deceased with history of repeated exposure to the head trauma. Science around this condition continues to evolve, and the physical and mental manifestations of the CTE remain under study.”
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New York Shane Tamura shooter in Las Vegas (Las Vegas police department)
Shortly after the July shooting, the police found a note in the pocket of Tamura who said that he had undergone a traumatic cerebral lesion and blamed the NFL to have “hidden the dangers for the players’ brain to maximize the profits”.
The note continued to read: “Study my brain please. I’m sorry.”
Tamura died from a self-inflicted ball injury. The examiner’s office previously said that Tamura had died suicide from a self-inflicted ball injury. The pathologists of the time did not say if it had played a role.
The NFL advises teams to improve security after a Midtown Midtown office shooting: Report

A divided image showing Shane Tamura as a football player in high school next to security images. (Ny post; fox news)
The deceased victims were identified as the NYPD officer, 36, Didarul Islam, who was in security service in the building service, Wesley Lepatner, 43, a mother married to two children who was killed in the building lobby, the real estate worker Julia Hyman, 27, and the security guard Aland Etienne.
An NFL employee was also shot in the hall.
Tamura, 27, from Las Vegas, was trying to go to the NFL offices after filming Several people in the building hall, then another in an office on the 33rd floor.

Shane Tamura Las Vegas stop traffic (Las Vegas police department)
The NFL has since increased security in its offices, confirmed the executive vice-president of the NFL, Jeff Miller, in August.
“We are very lucky that our security chief, Cathy Lanier, the former Washington police chief, DC, has enormous experience in this space and that we have great partners in the building when we are looking for means to make it even safer than before.”