Shane Tamura was a 27-year-old man who opened fire in the 345 Park Avenue offices on July 28 Shane Tamura opened fire in the 345 Park Avenue offices on July 28 He was a 27-year-old man living in Las Vegas who drove to the New York City office Tamura fatally shot at least four people in the building Shane Devon Tamura was identified as the gunman who killed at least four people inside a New York City office building on July 28.

The man who opened fire in a Midtown Manhattan office building, killing four people and wounding a fifth, appeared to be targeting the NFL headquarters and had a note claiming he suffered from CTE, police sources told ABC News.

Police say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain disease linked to contact sports and was trying to target the National Football