Shane Tamura, 27, who fatally shot four people in the building that houses the National Football League's headquarters Monday, said in a suicide note that he had chronic traumatic encephalopathy, known at CTE,

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, killing four people with a high-powered rifle, as Shane Devon Tamura.

A New York City police officer and three other people were shot and killed in Midtown Manhattan office building on Monday evening, police confirmed. The suspect, identified as Shane D. Tamura, 27, of Las Vegas,

Shane Tamura, the Las Vegas man who killed four people and left another person critically injured in a shooting in a New York office building, was possibly targeting the NFL headquarters, but took the wrong elevator.

The shooter behind a deadly rampage inside an office building in Midtown Manhattan on Monday evening was apparently targeting NFL offices there, New York City Mayor Eric Adams said Tuesday morning.Law enforcement sources say investigators recovered a three-page rambling note from gunman Shane Tamura's wallet in which he referenced the brain disease CTE.

Investigators believe Shane Tamura, of Las Vegas, was trying to get to the NFL offices after shooting several people Monday in the building’s lobby but accidentally entered the wrong set of elevator banks,