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

The youngest victim of Monday’s shooting rampage in a Midtown skyscraper was a rising star — who was executed while working ...

NEW YORK, NY - Multiple people have been killed, including one officer, after gunfire erupted in Midtown Manhattan on Monday ...

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

A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the car he drove ...

The attack on a seemingly secure building has rattled workers and prompted managers to examine whether they are adequately ...

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 ...

Investigators are piecing together more details about how a former high school football player who blamed the game for his ...