According to the Huffington Post, over the last 20 months, the facts and circumstances surrounding Benghazi have received unprecedented scrutiny.
Not including the current select committee hearings:
• 9 different House and Senate committees have already investigated the attacks
• 13 hearings have been conducted
• 50 briefings have taken place
• 25 transcribed interviews have been conducted
• 8 subpoenas have been issued
• more than 25,000 pages of documents have been reviewed
• 6 congressional reports have been released
http://www.huffingtonpost.com/sen-barbara-boxer/the-gops-benghazi-witch-h_b_5315857.html