Due to widespread operations by Dominican Migration (DGM) agents aimed at detaining Haitians, the US Embassy reports that Black US citizens are “being delayed, detained, or subject to heightened questioning at ports of entry based on their skin color.” https://do.usembassy.gov/alert-ongoing-dominican-migration-enforcement/
Alert: Ongoing Dominican Migration Enforcement

This message is to advise U.S. citizens that in recent months travelers to the Dominican Republic have reported being delayed, detained, or subject to

U.S. Embassy in the Dominican Republic