A New York police investigator exits her vehicle at the scene outside a Manhattan office building where two people were shot including a police officer, Monday, July 28, 2025, in New York. (AP Photo/Angelina Katsanis)

By PHILIP MARCELO, ERIC TUCKER and MIKE BALSAMO Associated Press

A gunman who killed four people at a Manhattan office building before killing himself claimed in a note to have a brain disease linked to contact sports and was trying to target the National Football League’s headquarters but took the wrong elevator, officials said today.

Investigators believe Shane Tamura, of Las Vegas, was trying to get to the NFL offices in the building Monday after shooting several people in the lobby but entered the wrong elevator banks, Mayor Eric Adams said in interviews.

Four people

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