article_snippet.sent: Washington (CNN)One former employee of the private Blackwater Worldwide security company was sentenced Monday to life in prison and three others to 30 years each behind bars for their roles in a 2007 mass shooting in Baghdad that left 17 people dead.
article_snippet.sent: Senior U.S. District Court Judge Royce Lamberth sentenced Blackwater sniper Nicholas Slatten Blackwater sniper Nicholas Slatten to a term of life in prison, mandatory for Senior U.S. District Court Judge Royce Lamberth .
article_snippet.sent: Blackwater workers Paul Slough, Evan Liberty and Dustin Heard were sentenced to 30 year each, plus one day.
highlights_snippet.sent: Blackwater sniper Nicholas Slatten is sentenced to life in prison, mandatory for Blackwater sniper Nicholas Slatten first-degree murder conviction .
  
highlights_snippet.sent: Three others get 30 years plus one day in the 2007 shooting in Baghdad that left 17 dead .