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 ...

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

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

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

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

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

The alleged gunman at a shooting rampage in a midtown Manhattan office building was identified as 27-year-old Shane Tamura, of Nevada.

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

NYPD Commissioner Jessica Tisch said that their law enforcement partners in Las Vegas, where Tamura lives, confirmed that the ...

Shane Tamura, the Las Vegas man who killed four people and left another person critically injured in a shooting in a New York office building, was possibly targeting the ...