During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

Didarul Islam, a 36-year-old NYPD officer, was off duty and working a security job when he was fatally shot by a gunman who ...

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

Police are still piecing together Shane Tamura’s movements but his black BMW traveled cross-country through Colorado, ...

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

Fox News Digital reached out to all four NYC mayoral candidates for a response to the Monday shooting in midtown Manhattan ...

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

The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note ...

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada ...

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.