What we know about Tamura’s life, how he got the assault rifle that he used to kill an NYPD officer and three others, and the ...

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.

A Blackstone executive was seemingly a random victim in a mass shooting that left four dead, but some see parallels with the ...

A security expert offers a list of ‘must-haves’ for workplace safety that may save lives in the event of a mass shooting.

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 ...

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

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 ...