NFL employee ‘seriously injured’ after gunman targeted league headquarters in NYC shooting that killed 4  Yahoo SportsNYC shooter was targeting NFL HQ, mayor says  ESPNNYC Shooting Live Updates: Investigators Focus on Whether Midtown Gunman Was Targeting NFL Offices  The New York TimesWho is Shane Temura: Midtown gunman claimed he suffered from CTE, left a note in his pocket with references to NFL  ABC7 New YorkBlackstone Executive Killed in N.Y.C. Shooting Identified as a Mom of 2 and Leader of Firm’s Women’s Initiative  People.com