New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

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

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

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

The gunman, who said in a note he believed he had CTE, targeted skyscraper that houses the NFL's headquarters.

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

Shane Tamura, the 27-year-old man who shot and killed four people inside a Midtown office building, didn’t show up for his ...

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

The man who killed four people at a Manhattan office building bought his AR-15-style rifle and getaway car from his Las Vegas ...

The cleaner, who wasn’t identified publicly, encountered a heavily-armed Shane Tamura as he stormed the mostly deserted 33rd ...

Park Ave. gunman Shane Tamura bought the assault rifle he used to kill an NYPD cop and three civilians before taking his own ...

No ruling has been made yet on whether Tamura was suffering from the disease chronic traumatic encephalopathy (CTE), which he ...