The American Center for Law and Justice, which alleges the Obama State Department manipulated video to conceal a spokeswoman's admission of lying to the public about the Iran deal, says it now has definitive evidence to back its claim.

The deleted section contained a question from the Fox News Channel's James Rosen during a daily press briefing Dec. 2, 2013: "Is it the policy of the State Department, where the preservation or the secrecy of secret negotiations is concerned, to lie in order to achieve that goal?"

State Department spokeswoman Jen Psaki said, "James, I think there are times where diplomacy needs privacy in order to progress. This is a good example of that."

But that exchange was missing from video released by the State Department.

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The administration initially claimed that the deletion was an unintentional "glitch," but ACLJ's media team analyzed the video and identified the "white flash" edit, "determining that this could not possibly be simply a glitch."

Now, ACLJ, as part of its Freedom of Information Act lawsuit demanding key records shedding light on its cover-up, says it has evidence the "deletion to cover up the Iran lie was intentional."

ACLJ said it obtained a "sensitive but unclassified" internal review of the matter by the U.S. State Department that contains a section expressly notated: "Evidence of Purposeful Editing."

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The organization said the State Department's "own internal evidence shows that a technician in the Public Affairs (PA) office of the State Department 'received a request to edit the video over the phone from a female caller from elsewhere in PA who could credibly assert that an edit should be made.'"

"Additionally, the report presents definitive testimony that 'the requester had mentioned in the course of the call a Fox network reporter and Iran. The technician indicated that the requester may also have provided the start and end times for an edit.'"

ACLJ said it "may have taken until the final hours of the Obama administration for the American people to begin to understand the truth behind the Obama administration's deliberate deception surrounding the deadly Iran nuclear deal."

"But our critical legal work to unearth the truth will continue. It will be absolutely crucial to undoing the damage done by this flawed deal and dismantling the devastating impact the 'deal' continues to have."

WND reported last June the State Department confessed to the deception.

At that time, former Department of Homeland Security officer Philip Haney noted, "It just seems that somewhere along the way, the [Obama] administration decided that the best way to deal with unflattering or derogatory information that didn't suit the narrative was to simply eliminate it."

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