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

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 ...

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

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

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

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 in a New York City shooting Monday was the son of a former Los Angeles Police Department ...

Police officers in New York City responded to reports of an active shooter in a midtown Manhattan building that houses ...

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

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

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

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