The alleged gunman at a shooting rampage in a midtown Manhattan office building was identified as 27-year-old Shane Tamura, of Nevada.

The man who killed four people in the New York City skyscraper that is home to NFL headquarters carried a note blaming the league for the cognitive problems he developed as a high school football play

A gunman who opened fire in a Midtown Manhattan skyscraper later died of a self-inflicted gunshot wound, police said. Officials say investigators recovered a note in which appeared to blame his own traumatic head injury on the National Football League,

The Rudin family, which owns the building and Rudin Management, said in a statement that one of their employees was a victim of the shootings but did not disclose the person’s name at the request of relatives. Police officials said a woman was found dead on the building’s 33rd floor in Rudin’s offices.

A gunman opened fire inside a high-rise office building in Midtown Manhattan July 28, killing a New York City police officer and three civilians.