From The Associated Press WASHINGTON – A gunman sprayed bullets from a moving vehicle into a crowd in southeast Washington, killing four and wounding at least five others before leading police on...

From The Associated Press LAS VEGAS – A man dressed in black walked into a federal building Monday in downtown Las Vegas and opened fire with a shotgun, killing a court security guard and wounding...

From The Associated Press ORLANDO, Fla. – A gunman opened fire Friday in the offices of an engineering firm where he was let go more than two years ago, killing one person and injuring five others....