Privacy Impact Assessments (PIAs) for U.S. Department of Homeland Security. The DHS/ALL/PIA-027(a) Watchlist Service (WLS) Update, July 19, 2011(PDF, 5 pages – 170.90 KB) has been updated on the page and is now available.
http://www.dhs.gov/files/publications/g ... 20391.shtm