Definition
Federal Bureau of Investigation
Also: FBI
The U.S. law enforcement agency that conducts background checks for USCIS cases.
The FBI runs name checks and fingerprint-based background checks on USCIS applicants. Most checks complete quickly, but unresolved name checks are a common cause of delayed adjudication.
See also
Not legal advice. Definitions are provided for educational use. For case-specific guidance, consult a licensed immigration attorney.