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2013: Who's behind the Benghazi attack?
04:44 - Source: CNN

Program note: Was there a political cover up surrounding the Benghazi attack that killed four Americans? Erin Burnett anchors a CNN special investigation: “The Truth About Benghazi,” Tuesday at 10 p.m. ET.

Story highlights

FIRST ON CNN: Charges filed against Libyan militia leader Ahmed Abu Khattala, others

Attack last September killed Ambassador Christopher Stevens and three other Americans

Authorities would not detail counts as charges remain under seal

The Benghazi attack has become a political flashpoint in Washington

Washington CNN  — 

Federal authorities have filed the first criminal charges in the investigation of the deadly terror attack on the U.S. diplomatic compound in Benghazi, Libya, people briefed on the matter said.