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

The gunman who killed four people in a New York City shooting Monday was the son of a former Los Angeles Police Department ...

A lone gunman walked into a midtown Manhattan office building Monday and opened fire, killing four people, including an NYPD ...

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

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

Follow along for live updates on the New York City shooting, where police investigate motive after five people, including the ...

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

The Las Vegas casino security supervisor who sold the assault-style rifle used in Monday's mass shooting in a Park Avenue ...

Officials say a man carrying a rifle killed four people at a New York City office tower. The shooting took place Monday ...

Live updates and developments about a shooting in New York City's Midtown. Five people, including the gunman and a police ...

Officials said July 29 they believe the suspected gunman in the deadly Manhattan shooting may have been targeting the NFL.

Shane Devon Tamura fatally shot four people, including an NYPD officer, in midtown Manhattan before killing himself, ...