6/13/18 According to USCIS officials and documents reviewed by The Washington Post, Homeland Security investigators are digitizing fingerprints collected in the 1990s and comparing them to more recent prints provided by foreigners who apply for legal residency and American citizenship. If decades-old fingerprints gathered during a deportation matches those of someone who did not disclose that deportation on their naturalization application or used a different name, that individual could be targeted by a new Los Angeles-based investigative division.