Park Ave. gunman Shane Tamura, who killed an NYPD cop and three civilians before taking his own life inside a Midtown ...

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

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

The gunman from Las Vegas who committed the mass shooting last week in New York City repeatedly threatened to harm himself dating back to the year he received a permit to ...

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

The degree of damage on the upper floor, where only one person was killed, shows how the sunglasses-sporting killer was ...

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

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

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

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 ...

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