U.S. citizens sometimes contact the Embassy requesting to have their fingerprints taken for an FBI criminal background check, as part of applying for residency in the Dominican Republic or for some other purpose.  Unfortunately, the U.S. Embassy is unable to take fingerprints for FBI background checks, and is unaware of any institution in the Dominican Republic able to do so.  U.S. citizens seeking this service should follow the instructions listed in the FBI website at https://www.fbi.gov/services/cjis/identity-history-summary-checks.