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

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.

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

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 ...

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 ...

Mourners packed a New York mosque to honor a Bangladesh-born police officer who was killed at an office building this week.

Officials say a man with a rifle killed an off-duty New York City police officer and three other people before taking his own life at a Manhattan office tower ...

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