NYPD said the gunman purchased the fully-assembled AR 15-style rifle used in the shooting from his supervisor.

Low crime rates, accessible medical care and calm conditions make these coastal destinations perfect for a stress-free ...

A robotic dog was used to enter the Las Vegas home of the suspected New York gunman, who is accused of killing four people and himself in a shooting inside a Ma ...

In a span of four days, guards at a Seneca County prison have dealt with five separate incidents of unrest among prisoners, ...

The New York City office building that was the site of a mass shooting Monday had significant security measures in place.

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

Shane Tamura killed four people at a Manhattan office building Monday, including Blackstone executive Wesley Lepatner and New ...