The killing of four people including a police officer in a Midtown Manhattan office building rattled a city where mass ...

New York City detectives investigating this week's mass shooting were interviewing the attacker's associates in his home ...

As for security, badges and sign-in lists for visitors became standard fare in New York office buildings after the Sept. 11 ...

The NYPD sent detectives to Las Vegas to work with federal law enforcement in the investigation into Monday's deadly shooting ...

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

Police have identified the gunman as Shane Tamura, a 27-year old former high school football player, who authorities say drove from his home in Las Vegas to Manhattan because he believed he had a ...

The New York City office building that was the site of a mass shooting Monday had significant security measures in place.

A small part of the nation’s largest city has attracted people bent on killing to draw attention to their causes. The man who ...

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

Five people—including the suspected perpetrator Devon Tamura and NYPD officer Didarul Islam—were left dead at an office ...

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada ...

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.