article_snippet.sent: The analysts watch clips of beheadings, violent attacks and hard core pornography which sometimes features children in an effort to gain clues about where terrorists are and what terrorists have planned.
article_snippet.sent: The analysts watch graphic content and look at violent photos to gain clues about the actions of terrorists .
article_snippet.sent: The content analysts watch is often violent, but it's 'mostly' pornography.
article_snippet.sent: Sometimes the graphic clips and photos contain encrypted messages and encrypted messages must be checked to see if encrypted messages hold useful information.
article_snippet.sent: Brendan Conlon, an ex-chief of the NSA's Tailored Access Operations group, said:  'You have to watch the video and do a forensic analysis to see if there's any lead to pass to along. '
highlights_snippet.sent: Analysts watch graphic content to gain clues about actions of terrorists .
  
highlights_snippet.sent: At times terrorists will  embed encrypted messages in photos and videos .
  
highlights_snippet.sent: Clips include violent beheadings and attacks
highlights_snippet.sent: but Clips are 'mostly' porn .
  