A man carrying a rifle killed four people at a New York City office tower Monday, including an off-duty New York City police ...

A supervisor at the Las Vegas casino where Shane Devon Tamura worked legally purchased the gun used in the Midtown Manhattan shooting and sold it to him for $1,400, a law enforcement official told CNN ...

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

Four people died after a gunman opened fire in a Manhattan office building, and security footage showed the shooter calmly ...

The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note ...

As investigators work to uncover a motive, questions are being raised about how a man with a documented history of mental ...

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

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

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

The suspect in the shooting that took place in New York City today had driven from Las Vegas to New York and was known to ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

Cause of Death Released For 9-Year-Old Who Died in Hersheypark Wave Pool Woman Buys House, Years Later Finds 'Extra Room' ...