WASHINGTON (CNN) -- Vice President Cheney's former chief of staff, I. Lewis "Scooter" Libby, told a grand jury he was "authorized by his superiors" to disclose classified information from an intelligence report to reporters, according to the special prosecutor in the CIA leak case.
In a letter to Libby's lawyers, obtained by CNN, special prosecutor Patrick Fitzgerald said it is his understanding that Libby testified he was "authorized to disclose information about the National Intelligence Estimate to the press by his superiors."
The letter does not name who the superiors are. But the National Journal, which first reported on the Fitzgerald letter, named Vice President Dick Cheney and other White House officials as authorizing Libby to disclose the classified material.
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