Terry Long, a former Steelers player, was allegedly mentioned in the note left by the shooter in Manhattan on Monday.

Shane Tamura, a former football player at Golden Valley and Granada Hills high schools, entered a New York skyscraper and began spraying bullets, police say.

It's becoming increasingly likely that New York City gunman Shane Tamura's assault on 345 Park Avenue was related to a disdain for the National Football League and his own CTE symptoms. A new detail in the ongoing investigation provided yet more evidence of that.