The man who stormed a Manhattan office tower with a gun worked in the surveillance department of a Las Vegas casino.

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

Shane Tamura, the man accused of shooting and killing four people in midtown Manhattan, left a note behind that talks about CTE. Dr. Ray Chu with Cedars-Sinai Medical Center provides insight on how it ...

Shane Tamura, the man responsible for a New York City shooting that left four dead, left a second suicide note behind in his ...

Shane Tamura was remembered by high school classmates and a coach as a talented running back. In recent years, though, he was ...

Brain experts say it could take weeks to learn whether Shane Tamura, the gunman who killed four people in Manhattan, had CTE.

Shane Devon Tamura, the suspect in the New York City shooting that left four people dead, claimed he had Chronic Traumatic ...

New photos provided to FOX 5 NY by police sources show the inside of the vehicle driven by Shane Tamura, who killed four ...

New York City investigators believe a co-worker of the Las Vegas man who killed four, including a police officer, provided a ...

A housekeeper on the 33rd floor made a split-second decision that saved her life, turning right as the Midtown gunman turned ...

A Blackstone employee who was on their way to the lobby of the building to pick up food on Monday evening fled to safety ...

Investigators are piecing together more details about how a former high school football player who blamed the game for his ...