\ afm \ Adjudicator's Field Manual - Redacted Public Version \ Chapter 14 Sources of Information / Conducting Research. \ 14.8 USCIS and DHS Databases.
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14.8 USCIS and DHS Databases.
When reviewing an application, you will often be confronted with factual issues that require further research about the specific applicant (see also discussion on databases in chapter 72.2).
USCIS and DHS
maintain numerous databases containing information on aliens' immigration histories.
Inspector's Field Manual
describe internal and interagency systems and contain instructions on how to access them. Familiarize yourself with user's manuals for each system available at your location. You will be unable to obtain all the relevant facts without the information in these systems. It is important to fully and creatively develop a case; therefore, attempt to use as many sources as necessary to obtain the most accurate information. “A” numbers, sound-alike searches, names of family members, aliases, misspellings, and
cross searching among different databases should all be used to ensure that you obtain all possible information on an individual. As you gain experience, you will become more familiar with the various databases and search systems. It is only by doing thorough research that you will be able to fully develop a case and thus fully perform your duties.