New York City detectives investigating this week's mass shooting were interviewing the attacker's associates in his home ...

No motive has been announced. A suicide note was found expressing grievances with the NFL and saying Tamura suffered from CTE ...

Shane Tamura, 27, who fatally shot four people in the building that houses the National Football League's headquarters Monday ...

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

The NYPD sent detectives to Las Vegas to work with federal law enforcement in the investigation into Monday's deadly shooting ...

A New York City police officer and three other people were killed in a shooting in Midtown Manhattan on Monday evening, ...

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

Blackstone, one of the world’s largest investment firms, confirmed one of its employees, Wesley LePatner, was among those ...

The Rudin family, which owns the building and Rudin Management, said in a statement that one of their employees was a victim ...

The New York police officer killed in a mass shooting in a Manhattan skyscraper on Monday was an immigrant who left behind a ...

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

NYC gunman Shane Tamura is seen on video talking about his high school football career in California after a game in ...