The AR-15 style weapon used in the shooting was legally purchased last year by the gunman’s supervisor at the Vegas casino where he worked, two law enforcement officials told CNN. The supervisor then ...

Roughly 15,000 mourners gathered for the funeral of NYPD Officer Didarul Islam, who was killed in an office building shooting ...

Roger Goodell also gave a health update on the league employee who was seriously injured in the gun attack that killed four ...

Four people, including an off-duty New York City police officer, were killed Monday when a gunman carrying a rifle opened ...

New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

Police Officer Didarul Islam, a father of two with a baby on the way, was one of the four people killed by Shane Tamura ...

Also killed in the massacre were Blackstone executive Wesley LePatner, security guard Aland Etienne and 36-year-old NYPD ...

Sebije Nelovic is the one who got away — the cleaner who dodged death as the Park Ave. shooter opened fire on her but missed.

NYPD investigates Midtown Manhattan office shooting by Shane Tamura, revealing details from his Las Vegas home.

Shane Devon Tamura, 27, was identified as the shooter who had driven across the country from Nevada and arrived in New York ...

New York police honor fallen officer Didarul Islam with funeral services after he was killed by a gunman in a Midtown office ...