A man stalked through a Manhattan office tower firing a rifle Monday, killing four people, including a New York City police ...

The NFL released a statement about the mass shooting at its NYC headquarters Monday night, which left four dead, including a police officer.

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

Didarul Islam was the first victim to be fatally wounded after Shane Tamura of Las Vegas entered the lobby of 345 Park Ave. brandishing an AR-15-style rifle, police said.

The man who sold the gun to the shooter that targeted the NFL's headquarters has been identified. Shane Tamura, 27, attacked ...

Didarul Islam, 36, a four-year NYPD veteran, was killed in a mass shooting in Midtown Monday, leaving behind two sons and a ...

Graham Gano stayed late at the New York Giants’ practice facility Monday watching news coverage of a gunman killing four people at a Manhattan office building that includes the NFL headquarters. “I ...

Didarul Islam, 36, was fatally shot during Monday’s Midtown Manhattan shooting. Sources say the off-duty NYPD officer was ...

After a gunman opened fire in a New York City office building and killed four people, experts share strategies for workplaces to implement to mitigate acts of violence.

Exclusive video shows SWAT teams executing a search warrant at the Las Vegas apartment of Shane Tamura, the man behind Monday's deadly shooting in New York City that left four people dead.

Then officials say the suspect then got into the elevator and headed to the 33rd floor, the headquarters of Rudin Management.

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