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

Tamura's supervisor at the Horseshoe Las Vegas legally bought the AR-15-style rifle he sold to Tamura for $1,400, the New ...

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

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

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

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

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

Police are retracing Tamura's movements from Nevada to New York after a Midtown Manhattan shooting that left four people dead ...

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 ...