Read these articles to see if you need to submit your fingerprints to have an FBI background check.
Criminal record clearance through fingerprinting is required for any international child adoption and now in almost every domestic child adoption. This U.S. Citizenship and Immigration Service (USCIS) site on Fingerprinting for Domestic and International Adoptions provides helpful information. As regards international adoption, immigration regulations require that prospective adoptive parents and all additional adult (18 years of age or older) members of the prospective adoptive parents' household provide fingerprints to USCIS for completion of FBI background checks.
Here you can find information on the fingerprint Application Support Centers nearest to you. For further information, call the toll free number 1-800- 375-5283.
Special Fingerprint Instructions for Form I-600/I-800, "Petition to Classify Orphan as an Immediate Relative (Orphan Petition)," and Form I-600/800A, "Application for Advance Processing of Orphan Petition (Advance Processing Application)", are provided on this site. This is for adopting families pursuing an international child adoption.