Department of Homeland Security, Privacy Office: 2012 Data Mining Report to Congress [open pdf - 455KB]
"The Department of Homeland Security (DHS) Privacy Office (DHS Privacy Office or Office) is providing this report to Congress pursuant to Section 804 of the Implementing Recommendations of the 9/11 Commission Act of 2007 (9/11 Commission Act), entitled the Federal Agency Data Mining Reporting Act of 2007 (Data Mining Reporting Act or the Act). This report discusses activities currently deployed or under development in the Department that meet the Data Mining Reporting Act's definition of data mining, and provides the information set out in the Act's reporting requirements for data mining activities."
United States. Dept. of Homeland Security: https://www.dhs.gov/