During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

LAS VEGAS -- The gunman who killed four people before taking his own life in a midtown Manhattan office building that houses the NFL's headquarters had for years sought medical help for frequent, ...

When a bitter gunman stormed a Manhattan office tower last week and killed four people including an NYPD officer, wannabe ...

CHICAGO - Three people were shot, one fatally, overnight following an argument on the city’s Northwest Side. The incident ...

Parts of a national forest near Anaconda, Montana, were closed late Saturday as authorities expanded their search for the gunman accused of killing four people at a bar on Friday morning. The suspect, ...