Fact Sheet: Department of Justice Actions on FBI Use of National Security Letters

This is from March 2007, but still relevant:

Source: U.S. Department of Justice
“The Attorney General commends the work of the Inspector General (IG) in uncovering serious problems in the FBI’s use of National Security Letters (NSLs). The Attorney General has told the Director of the FBI that such mistakes will not be tolerated and has ordered the FBI and the Department to restore accountability and to put in place safeguards to ensure greater oversight and controls over the use of national security letters.”