“In preparation for the Rapid DNA System, S&T conducted a broad review of DNA needs across DHS operational components and found several consistent needs for verification of family relationships, countering human trafficking, family reunification, identification of victims following mass casualties, and checks against DNA samples of known criminals. Each of these applications require significant policy development or revisions and privacy and civil rights assessments to allow the use of DNA in operational settings.”
http://www.dhs.gov/sites/default/files/publications/privacy/PIAs/privacy-pia-rapiddna-20130208.pdf
Washington Whispers GAO Now Investigating DHS Ammo Purchases