After a deadly shooting at an NYC building that housed NFL and Blackstone offices, safety experts say it’s high time ...

A man stalked through a Manhattan office tower firing a rifle, killing four people, including a New York City police officer, ...

Authorities confiscated several items from a Las Vegas apartment tied to a gunman who used an AR-15-style rifle to kill four ...

Most of the damage was relegated to the 33rd flood, where Shane Tamura accidentally rode the elevator while searching for the NFL headquarters.

Roger Goodell also gave a health update on the league employee who was seriously injured in the gun attack that killed four ...

The degree of damage on the upper floor, where only one person was killed, shows how the sunglasses-sporting killer was spiraling out of control as his plan to get to the NFL offices inside 345 ...

Craig Clementi, who works in the NFL's finance department, took a bullet in the back during the tragic mass shooting on ...

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 ...

Family and friends of the four victims killed in the Midtown mass shooting have spent several days mourning and laying their ...

An off-duty New York City police officer and an executive at an investment firm were among four people killed by a gunman at a Manhattan office tower ...

Four people, including an off-duty New York City police officer, were killed Monday when a gunman carrying a rifle opened ...

Muhammad Mainul Islam, a cousin of New York Police Department Officer Didarul Islam, said the victim's father had a stroke ...