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 ...

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.

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

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

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.

NYPD detectives, collaborating with Nevada authorities, are investigating the Park Avenue shooting carried out by Shane ...

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