The NYPD sent detectives to Las Vegas to work with federal law enforcement in the investigation into Monday's deadly shooting ...

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

New York City police detectives searched the Las Vegas studio apartment of the suspected gunman in Monday's mass shooting at ...

A small part of the nation’s largest city has attracted people bent on killing to draw attention to their causes. The man who ...

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

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

The gunman accused of killing four people in a Midtown Manhattan office tower bought the AR-15-style rifle used in the attack ...

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

A shooting Monday at an office building in New York City that is home to the Blackstone investment firm and the NFL left four ...

As for security, badges and sign-in lists for visitors became standard fare in New York office buildings after the Sept. 11 ...

Five people—including the suspected perpetrator Devon Tamura and NYPD officer Didarul Islam—were left dead at an office ...

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