"It was heartbreaking, shock, still in disbelief," said Walter Roby, the former assistant football coach at Granada Hills ...

Businesses across the U.S. are reevaluating security after a shooting at a New York City office building raised concerns ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

The NFL released a statement about the mass shooting at its NYC headquarters Monday night, which left four dead, including a police officer.

The man who killed four people at a Manhattan office building bought his AR-15-style rifle and getaway car from his Las Vegas ...

The deadly shooting at a New York City high-rise office building Monday night raises new questions for CEOs and businesses as ...

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 who killed an NYPD officer and three other people in a Midtown building on Monday evening was carrying a note that ...

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

As the investigation continues to find the motive behind a deadly shooting in New York City on Monday night, questions also remain surrounding the suspect's wea ...

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