NEW YORK -- A 27-year-old man wearing body armor and carrying an M4 assault rifle shot and killed four people, including ...

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

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 ...

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

A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the car he drove across country from his supervisor at a Las Vegas casino, authorities said ...

Whether she was using YouTube videos to teach herself to play guitar, shopping at Whole Foods by herself at age 12 or wowing ...

Four people were killed on Monday when a man, identified by police as Shane Tamura, walked into the lobby of 345 Park Avenue ...

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

Shane Tamura is suspected of killing four people before shooting himself on the 33rd floor of the building at 345 Park Avenue ...

Authorities have now identified all four killed in Monday night's mass shooting inside a Midtown Manhattan skyscraper. The ...

A supervisor at the Las Vegas casino where Shane Devon Tamura worked legally purchased the gun used in the Midtown Manhattan ...