Follow along for live updates on the New York City shooting, where police investigate motive after five people, including the ...

Investigators are examining why the gunman who killed four people before taking his own life at a New York City office tower ...

Officials say a man carrying a rifle killed four people at a New York City office tower. The shooting took place Monday ...

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

Live updates and developments about a shooting in New York City's Midtown. Five people, including the gunman and a police ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

The New York City Police Department sent detectives to Las Vegas to work with the Bureau of Alcohol, Tobacco and Firearms to ...

The Rudin family, which owns the building and Rudin Management, said in a statement that one of their employees was a victim ...

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

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

Roger Goodell alerted all NYC NFL employees to work from home at least through next week following the tragic mass shooting ...

NYC gunman Shane Tamura is seen on video talking about his high school football career in California after a game in ...