article_snippet.sent: Scroll down for video .
article_snippet.sent: A statement posted on the NBC News site also raises concerns that rather than being freed following a harrowing firefight, as they were told, this may actually have been staged for propaganda purposes.
article_snippet.sent: A statement posted on the NBC News site added: 'We have not been able to get a definitive account of what happened that night.
article_snippet.sent: Syrians forced the group to make a video and unwittingly set off a distress GPS signal, which informed NBC exactly where Syrians were.  
article_snippet.sent: NBC was able to broadcast images of the farm Syrians were being held at across the world, also informing Syrians kidnappers Syrians knew of the location.
article_snippet.sent: A statement published by NBC said A statement published by NBC was clear that the group were released for propaganda purposes .
article_snippet.sent: Engel has since said, in light of the new information, this may have been staged to convince his crew his crew were rescued rather than handed over.