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

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

The NFL vowed to be resilient, two days after league headquarters was targeted by a gunman who killed four people on Monday.

Shane Tamura, a 27-year-old licensed private investigator and former high school football player from Las Vegas , carried out ...

NYPD detectives searched the shooter's studio apartment in Las Vegas where they found what law enforcement sources described ...

The man who stormed a Manhattan office tower with a gun worked in the surveillance department of a Las Vegas casino.

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

With the U.S. locked in a pattern of gun violence virtually unparalleled in the world, security firms are used to the rhythms ...

NEW YORK (AP) — A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the ...

New York City detectives investigating this week's mass shooting were interviewing the attacker's associates in his home ...

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

An NYPD officer and three people were killed by a gunman who opened fire inside a high-rise corporate building in midtown ...