The gunman who opened fire Monday in a New York City office building, killing four people, was identified as a former ...

Matt Sitler is in critical but stable condition at Renown Regional Medical Center after being struck by multiple gunshots. Sitler was part of a group of 13 who attended the gathering. More ...

A gunman in New York City who shot and killed four people, including a police officer Monday attended two Southern California high schools KTLA has confirmed. The deadly mass shooting ...