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

A gunman blamed the NFL for a brain disease before killing 4 in Midtown, including an NYPD officer. What we know about his ...

Gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan office building lobby with a ...

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

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the ...

The man who shot four people dead with an assault-style rifle inside a Midtown Manhattan skyscraper was carrying a "suicide ...

A gunman who killed four people, including a New York City police officer, at a Manhattan office building Monday night was ...

The 27-year-old former running back for two Southland high schools who police say killed four people at the NFL headquarters ...

Shane Tamura, who allegedly killed four people in Manhattan before killing himself, claimed in a suicide note he suffered ...

The dead include Didarul Islam, 36, an off-duty officer who was working security in the building, two men and a woman.

Didarul Islam, 36, was a father of two, with a third on the way, and was working a second job as a security guard at the ...