USCIS FDNS-DS is a United States Citizen and Immigration Services' Fraud Detection and National Security Data System used for tracking case and case related information.
FDNS-DS is a central repository that permits specially-trained employees to record, track, and manage the background check and
adjudicative processes related to immigration applications and petitions
(applications) with suspected or confirmed fraud, criminal activity, egregious public safety, and/or national
security concerns, and
cases randomly selected for benefit fraud assessments (BFAs).
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