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

Roger Goodell alerted all NYC NFL employees to work from home at least through next week following the tragic mass shooting that left four dead at the league's headquarters.

Roger Goodell sent a letter to all NFL employees after the league office was targeted by a gunman in a mass shooting on Monday, July 28.

The man who shot four people dead with an assault-style rifle inside a Midtown Manhattan skyscraper was carrying a "suicide note" that blamed the National Football League for a degenerative brain disease he said he had,

The gunman who killed four people, including an NYPD officer, reportedly had a grievance against the NFL and blamed football for issues with CTE.

A note found in the gunman's wallet was critical of the NFL and mentioned CTE. The 27-year-old wrote, “Study my brain please. I’m sorry."