Instead of calling 911 to get help for himself, authorities say the NFL worker called his colleagues to alert them of the danger headed their way.

A shooting Monday at an office building in New York City that is home to the Blackstone investment firm and the NFL left four ...

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.

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

Two teams NYPD detectives headed to Las Vegas Tuesday, to execute search warrants at Shane Tamura's home and at a gun store ...

Legendary broadcaster and journalist Bob Costas joined NewsNation's "CUOMO" Tuesday to discuss how social media impacts the ...

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

A fifth shooting victim -- an NFL employee, according to Commissioner Roger Goodell -- was injured and taken to the hospital ...

Mayor Eric Adams told MSNBC the gunman referenced CTE, a disease linked to head trauma, in a note before killing four people ...

A Blackstone executive and mother of two, a hero NYPD officer, a Cornell grad and a security guard were among the four people ...

A man stalked through a Manhattan office tower firing a rifle, killing four people, including a New York City police officer, ...

Mourners gathered in Manhattan’s Bryant Park Tuesday evening to honor the four people killed in a shooting in a Midtown ...