A gunman who killed four people at a Manhattan office building bought the rifle from his supervisor at a Las Vegas casino, ...

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

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

Shane Tamura, the gunman who killed an NYPD officer and three civilians before taking his own life inside a Midtown Manhattan ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...