The Electronic Frontier Foundation sued the CIA, the U.S. Department of Defense, Department of Justice, and three other government agencies on Tuesday for allegedly refusing to release information about how they are using social networks in surveillance and investigations.
The nonprofit Internet rights watchdog group formally asked more than a dozen agencies or departments in early October to provide records about federal guidelines on the use of sites like Facebook, Twitter, and Flickr for investigative or data gathering purposes, according to the lawsuit.

The requests were prompted by published news reports about how authorities are using social networks to monitor citizen activities and aid in investigations. For example, according to the lawsuit, government officials have: used Facebook to hunt for fugitives and search for evidence of underage drinking; researched the activities of an activist on Facebook and LinkedIn; watched YouTube to identify riot suspects; searched the home of a social worker because of Twitter messages regarding police actions he sent during the G-20 summit; and used fake identities to trick Facebook users into accepting friend requests.

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