The progressive brain disease can be caused by repeated trauma to the head and has caused serious health problems for ...

More than a decade before he turned a Midtown NYC office building into a killing ground, Shane Tamura stood out as a rising ...

The sons of the NYPD officer killed in the Park Avenue mass shooting idolized their dad, showing him off to classmates and ...

New York City’s deadliest shooting in 25 years – in a state with some of the toughest gun laws in the nation – is raising ...

Police say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain ...