The NFL released a statement about the mass shooting at its NYC headquarters Monday night, which left four dead, including a police officer.

After a gunman opened fire in a New York City office building and killed four people, experts share strategies for workplaces to implement to mitigate acts of violence.

A New York City police officer who was among the four people shot and killed by a gunman during a rampage at a Manhattan ...

Then officials say the suspect then got into the elevator and headed to the 33rd floor, the headquarters of Rudin Management.

One of the four victims was a 36-year-old NYPD officer with 3.5 years on the force; the other three were civilians.

Exclusive video shows SWAT teams executing a search warrant at the Las Vegas apartment of Shane Tamura, the man behind Monday's deadly shooting in New York City that left four people dead.

Following the tragic mass shooting in Midtown Manhattan, two fundraisers have collectively raised over $250,000 to support ...