The Las Vegas casino security supervisor who sold the assault-style rifle used in Monday's mass shooting in a Park Avenue office building complied with the law, his attorney said.

Haitian security guard Aland Etienne, killed in a Midtown NYC shooting, is mourned as a “hero” by family and union.

The man who killed four in a mass shooting at 345 Park Avenue bought the gun from his supervisor at a Las Vegas casino.

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

The day after NYPD Detective Didarul Islam was laid to rest, he'll be remembered with a vigil at the precinct where he worked in the Bronx.

Roger Goodell was emotional on Thursday as he publicly addressed the deadly shooting that took place inside 345 Park Avenue, ...

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

Muhammad Mainul Islam, a cousin of New York Police Department Officer Didarul Islam, said the victim's father had a stroke ...

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

A long-time office cleaner said she encountered the suspected in a mass shooting in a Midtown Manhattan office building.

More than 500 mourners packed Central Synagogue in Manhattan for the funeral of Blackstone exec Wesley LePatner, who was ...