The man who killed four in a mass shooting at 345 Park Avenue bought the gun from his supervisor at a Las Vegas casino.

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

How safe are office buildings after crazed NYC shooter Shane Tamura kills four in Park Ave skyscraper? Security experts weigh ...

He will always be their hero. The sons of the NYPD officer killed in the Park Avenue mass shooting idolized their dad, ...

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

Roger Goodell was emotional on Thursday as he publicly addressed the deadly shooting that took place inside 345 Park Avenue, ...

The downtown park has been the site of Presidential speeches, an infamous lynching and the launch of gay pride in San Jose.

Sebije Nelovic always felt safe at 345 Park Avenue. For nearly three decades, she cleaned the ritzy Manhattan skyscraper in ...

New York City cleaning lady Sebije Nelovic is speaking out about her chilling encounter with gunman Shane Tamura during the ...

Wesley LePatner, 43, was among the four people killed by a gunman who stormed the Park Avenue building where she worked on ...