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.

: A Las Vegas man who drove across the country to carry out a shooting in Manhattan that left four people dead was allegedly found with a note that “expressed grievances with the NFL and claimed he suffered from CTE,

The NFL season kicked off at the annual Hall of Fame game with a moment of silence for the four people killed earlier this week by a shooter who was targeting league headquarters in New York. The gunman also wounded a league employee in the shooting Monday night.