During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

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

New York City’s deadliest shooting in 25 years – in a state with some of the toughest gun laws in the nation – is raising ...

"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 ...

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

The New York City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a ...

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

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

The gunman, who said in a note he believed he had CTE, targeted skyscraper that houses the NFL's headquarters.

Gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan office building lobby with a ...

The alleged gunman at a shooting rampage in a midtown Manhattan office building was identified as 27-year-old Shane Tamura, of Nevada.

NYPD officials are heading to Las Vegas to investigate the gunman who killed four people in a Midtown Manhattan skyscraper.