Suspect Shane Tamura died by suicide after the Monday mass shooting at 345 Park Avenue, which is home to NFL headquarters. One page of the note found in Tamura's pocket accused the NFL of concealing the dangers to players’ brains to maximize profits, sources said.

Shane Tamura, the shooter behind the deadly rampage in Midtown Manhattan,​ was apparently targeting NFL offices, NYC Mayor Eric Adams says.

The commissioner advised league employees based in New York to work remotely at least until the end of next week