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

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

The Las Vegas casino security supervisor who sold the assault-style rifle used in Monday's mass shooting in a Park Avenue office building complied with the law, his attorney said.

New reports suggest Shane Tamura dealt with multiple head injuries before attacking NFL headquarters in Manhattan, New York shooting ...

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

Study my brain please,” read a note left by the gunman accused of killing four people in a building that houses NFL’s ...

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

New York City mayor Eric Adams said Tuesday that the 27-year-old gunman who killed four people and injured another in a ...

Shane Tamura, the shooter behind the deadly rampage in Midtown Manhattan,​ was apparently targeting NFL offices, NYC Mayor ...

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

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

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