The deadly shooting at a New York City high-rise office building Monday night raises new questions for CEOs and businesses as ...

Four people were killed on Monday when a man, identified by police as Shane Tamura, walked into the lobby of 345 Park Avenue ...

NEW YORK -- A 27-year-old man wearing body armor and carrying an M4 assault rifle shot and killed four people, including ...

The killing of four people, including a police officer, in a Midtown Manhattan office building rattled a city where mass ...

(CNN) — A supervisor at the Las Vegas casino where Shane Devon Tamura worked legally purchased the gun used in the Midtown ...

A gunman who killed four people at a Manhattan office building before killing himself claimed in a note to have a brain ...

An off-duty New York City police officer and an executive at an investment firm were among four people killed by a gunman at a Manhattan office tower. Officer Didarul Islam ...

Authorities say the 27-year-old man who killed four people at a Manhattan office building bought the rifle he used in the ...

Investigators say the suspect, armed with an M4-style rifle, may have blamed the league for head trauma he believed caused ...