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 an NYPD officer and three other people killed in Monday's shooting inside an office building in ...

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

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

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

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

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, ...

The mass shooting at a Manhattan office building raises new concerns for business leaders looking to secure their staff and ...

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

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

As construction begins on a luxury office tower in Midtown Manhattan, an unnamed financial giant has already staked its claim ...