Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

Sebije Nelovic, who for 27 years has cleaned the Manhattan office building that was the site of the shooting, was dusting a ...

NYPD said the gunman purchased the fully-assembled AR 15-style rifle used in the shooting from his supervisor.

The NYPD continues to work with investigators across the country to learn more about the gunman in Monday's deadly Midtown ...

The suspected gunman who killed three people outside the largest casino in Reno, Nevada, before police officers shot and ...

FBI assists Montana police in search for shooting suspect Michael Paul Brown who remains at large after attacking multiple ...

Sebije Nelovic always felt safe at 345 Park Avenue. For nearly three decades, she cleaned the ritzy Manhattan skyscraper in ...

"He comes with a machine gun. He's not going to know who I am. He's going to shoot, no matter what," Sebije Nelovic said in a ...

The man who shot and killed four people in Manhattan had legally purchased a firearm in Nevada, where he lived, despite a ...

The gunman accused of killing four people in a Midtown Manhattan office tower bought the AR-15-style rifle used in the attack ...

Police say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain ...