Benghzai Cover-Up, Foreign Aid Abuse

The government is preventing those of knowledge of the Benhazi attack from producing evidence.  There are multiple articles explaining how whistleblowers are being prevented from speaking.  What is the government hiding?

CBS News reports:
The attorney for a whistleblower on the Sept. 11, 2012 attacks on the U.S. consulate in Benghazi, Libya, says the Obama administration is impeding efforts to allow her client and other whistleblowers to speak.
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The House Oversight Committee says the State Department's restrictive access to Benghazi documents has been an ongoing problem.


What if our foreign policy is wasteful and harms freedom?  Maybe we should investigate foreign aid abuse, as suggested by Rand Paul:
Stories of bags of cash being dropped off by the CIA on the desks of foreign regimes seems to have reached the ears of Senator Rand Paul (R-Ky.).
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Several former Afghan government officials report the regular appearance and disappearance of sacks full of CIA “ghost money” in and out of the offices of President Hamid Karzai.
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Former World Bank senior economist William Easterly estimates that World Bank and IMF loans “actually boosted poverty worldwide by a total of 14 million people.”