Shane Tamura is suspected of killing four people before shooting himself on the 33rd floor of the building at 345 Park Avenue ...

Police have identified the gunman as Shane Tamura, 27, a Las Vegas casino security officer and former high school football player with a documented history of mental illness ...

The man who stormed a Manhattan office tower with a gun, killing four people before killing himself, worked in the surveillance department of a Las Vegas casino, part of an industry built on watching ...