A long-time office cleaner said she encountered the suspected in a mass shooting in a Midtown Manhattan office building.

Shane Tamura, a 27-year-old former high school football player from Las Vegas with a documented mental health history, was identified as the gunman who killed four people, including an NYPD officer, ...

It's a point borne out by recent research from ASIS International, a global organization of security professionals, that showed 14% of companies had no comprehensive plan to address active-assailant ...

The NFL season kicked off at the annual Hall of Fame game with a moment of silence for the four people killed earlier this ...

The NFL vowed to be resilient, two days after league headquarters was targeted by a gunman who killed four people on Monday.