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

The gunman who killed four people in a New York City shooting Monday was the son of a former Los Angeles Police Department ...

New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

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

Questions emerge about the legality of a private gun sale between Shane Tamura and his supervisor Rick Ackley at Horseshoe Las Vegas after Tamura used the weapon in a deadly New York City shooting.

The gunman who opened fire at a Manhattan office building Monday, killing four people before taking his own life, legally ...

The attorney for the man who sold what would become the deadly weapon in a mass shooting in New York City earlier this week said his client legally sold his co-worker the gun.