Benghazi: The Cover up Continues

The administration, specifically the State Department and the Justice Department continue to block access to the survivors of Benghazi

http://www.foxnews.com/politics/2013/10/31/justice-and-state-departments-blocking-access-to-survivors-benghazi-attack/

I would like to ask just what criminal investigation is being compromised when our government is making no serious effort to capture those who attacked the Benghazi consulate. There isn't even a reward being offered!