NYC -Schutter reportedly left the memorandum to blame the specific factor for his mental illness

A lonely shooter who killed four people in a high -rise office building of Park Avenue on Monday, reportedly blamed football for his documented psychological disorders in a note that he left on the spot. He then shot himself, the authorities said.

Civil servants “familiar with the investigation” NBC News told The remark of Shane Tamura that connects his misery in mental health care with playing the game has encouraged law enforcement to investigate whether Tamura has carried out his attack in the building because it houses the NFL headquarters.

An NFL employee was seriously injured In the shooting, competition commissioner Roger Goodell confirmed, but not on one of the different floors that house the offices of the competition.

Tamura wrote that he blamed football for his claim that he had chronic traumatic encephalopathy, the sources of law enforcement told the tabloid, although the condition can only be determined at death. CTE was found in a relatively high percentage of former NFL players who were subject to repeated head trauma.

Tamura, who reportedly shot himself in the chest on the 33rd floor, where he died The note in his pocketAsked that his brain is being studied, the post added.

Fox 11 Los Angeles noted Tamura, who was recently a guard at a casino in Las Vegas, was a star player at Golden Valley High School and Granada Hills Charter High School in California, but did not mention any play career.

“Could I have done more?” asked Walter Roby, the coach of Tamura during his last year in Granada Hills. “Could I help the child? Could I have reached contact with him or could you have reached contact with me? It is just many things that I am trying to process now.”