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Gowdy alleges massive Benghazi cover-up

Rep. Trey Gowdy (R-S.C.) is accusing the Obama administration of a massive cover-up in the deadly Benghazi, Libya, terrorist attack, saying it was “dispersing” witnesses around the country and changing their names in an effort to hide the truth about what happened.

In an interview Thursday with Fox News host Greta Van Susteren, Gowdy said the administration is "changing names, creating aliases" of U.S. agents who were in Benghazi on the night of the Sept. 11, 2012, attacks. 

“Stop and think what things are most calculated to get at the truth? Talk to people with first-hand knowledge. What creates the appearance or perhaps the reality of a cover-up? Not letting us talk with people who have the most amount of information, dispersing them around the country and changing their names," Gowdy said. 

According to a CNN report released on Thursday, “dozens” of CIA operatives were on the ground at the U.S. diplomatic annex in Benghazi during the attack that ended with the deaths of Ambassador Christopher Stevens and three other Americans.

The report says that Langley is taking extreme measures — including conducting monthly polygraph tests — to hide the agency’s operations in Benghazi and northern Libya at the time of the attack.

The CIA denies the report.

“We are not aware of any CIA employee who has experienced retaliation, including any non-routine security procedures, or who has been prevented from sharing a concern with Congress about the Benghazi incident," said spokesman Dean Boyd.

The CNN report adds fuel to an investigation that had otherwise focused on the State Department. 

On Thursday, Rep. Darrell Issa (R-Calif.), the chairman of the House Oversight panel, subpoenaed State Department documents detailing the inner workings of the independent board that probed the September attack.