article_snippet.sent: In these various file photos, Blackwater guards, from left, Dustin Heard, Paul Slough, Evan Liberty and former Blackwater security guard Nicholas Slatten.
article_snippet.sent: Former Blackwater guard
article_snippet.sent: A man caring a poster that reads 'approximate locations of victims around Nisoor Square' enters the E. Barrett Prettyman Federal Courthouse in Washington on Monday. 
article_snippet.sent: Family members, friends and supporters of four former Blackwater security guards arrive at E. Barrett Prettyman federal courthouse in Washington .
article_snippet.sent: Former co-workers: Former Blackwater security guards stand in line to enter the E. Barrett Prettyman Federal Courthouse in Washington in support of the men awaiting sentencing .