The gunman who killed four people, including a New York City police officer, during a shooting Monday inside a Manhattan ...

Shane Tamura, a 27-year-old former high school athlete, has become the subject of a national homicide investigation following ...

Exclusive video shows SWAT teams executing a search warrant at the Las Vegas apartment of Shane Tamura, the man behind Monday ...

There were 23 shell casings and 13 bullet fragments recovered from the lobby of 345 Park Avenue and 24 spent shell casings on ...

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

Gunman Shane Tamura fired nearly 50 shots during his rampage on a Park Ave. skyscraper, where he killed an NYPD cop and three ...

Investigators found also found 800 rounds and a 357-caliber handgun in a BMW the shooter drove to the scene, the NYPD said.

Former NYPD Sergeant Felipe Rodriguez weighs in on the gunman's actions and what we know about his background.

Authorities say the man who killed four people at a Manhattan office building bought the rifle he used in the attack and the ...

Police have identified the gunman as Shane Tamura, a 27-year old former high school football player, who authorities say drove from his home in Las Vegas to Manhattan because he believed he had a ...

The assault rifle used in mass shooter Shane Tamura’s deadly rampage at a NYC skyscraper was assembled piece by piece – with ...

Investigators found a note left by Midtown mass shooter Shane Tamura at his Nevada apartment saying he felt like a ...