Senator Arlen Specter pointed out that "The CIA has a very bad record when it comes to honesty."
... Specter spoke of the CIA's role in the Iran-Contra affair, "Director Casey appeared and gave perjurious testimony to the Committee." He added that the CIA's deputy director had prepared Casey's testimony and that he, "Came within a hair's breadth of being prosecuted by an independent counsel."
And there is this Walter Brasch article from September 2007 via FDL's Emptywheel
"a god-damned lie"
In a town hall meeting in Bloomsburg, Pa. this week [leading up to September 3, 2007], Rep. Paul Kanjorski, a 12-term congressman, said that shortly before Congress was scheduled to vote on authorizing military force against Iraq, top officials of the CIA showed select members of Congress three photographs it alleged were Iraqi Unmanned Aerial Vehicles (UAVs), better known as drones. Kanjorski said he was told that the drones were capable of carrying nuclear, biological, or chemical agents, and could strike 1,000 miles inland of east coast or west coast cities.
Kanjorski said he and four or five other congressmen in the room were told UAVs could be on freighters headed to the U.S. Both secretary of state Condoleezza Rice and President Bush wandered into and out of the briefing room, Kanjorski said.
Kanjorski said it was the second time he was called to the White House for a briefing. He had opposed giving the President the powers to go to war, and said that he hadn't changed his mind after a first meeting. Until he saw the pictures, Kanjorski said, "I hadn't thought that Iraq was a threat." That second meeting changed everything. After he left that meeting, said Kanjorski, he was willing to give the President the authorization he wanted since the drones "represented an imminent danger."
[snip]Several years later, Kanjorski said he learned that the pictures were "a god-damned lie," apparently taken by CIA photographers in the desert in the southwest of the U.S.
Down With Tyranny has more about the CIA