The National Security Agency released documents on Christmas Eve revealing surveillance activities that may have violated the law for U.S. policy over more than a decade, reports David Lerman at Bloomberg.

Compelled by an ACLU FOIA request, the agency published 12 years of quarterly reports that were created for the Presidents Intelligence Oversight Board between 2001 and mid-2013.

The reports are heavily redacted but include details of intentional and unintentional misuse of the NSAs signals intelligence gathering systems.

The reports detail unauthorized signals intelligence gathering that included data about U.S. citizens, unauthorized personnel using the intelligence gathering systems and abuses of the NSAs spying tools for personal use. NSA signals intelligence includes phone call metadata gathered through the NSAs links to telecommunications companies, as well as much more granular communications scooped up by the agencys electronic spy network. There are also several references to employees failing to complete required refresher training on signals intelligence systems.

In many instances, NSA employees ran poorly constructed or unauthorized queries in the NSA systems, and ended up gathering data on U.S. citizens or unintended targets. In most of these cases the data was then destroyed.

In one case, detailed in the third quarter of 2007, an NSA instructor ran an unauthorized search during a training session:

Lerman also reports on instances of NSA systems misuse that were already publicly known:

Those cases included a member of a U.S. military intelligence unit who violated policy by obtaining the communications of his wife, who was stationed in another country. After a military proceeding, the violator was punished by a reduction in rank, 45 days of extra duty and forfeiture of half of his pay for two months, according to the letter.

In a 2003 case, a civilian employee ordered intelligence collection of the telephone number of his foreign-national girlfriend without an authorized purpose for approximately one month to determine whether she was being faithful to him, according to the letter. The employee retired before an investigation could be completed.

In August, 2013, Judy Woodruff spoke with former NSA analyst Russell Tice who said the agency collects every domestic communication, word for word.

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NSA releases 12 years of damaging oversight reports on Christmas Eve