The U.S. Immigration and Customs Enforcement (ICE), Homeland Security Investigations (HSI) piloted Rapid DNA technology to verify claimed parent-child relationships. ICE HSI implemented Rapid DNA testing at 11 locations across the southwest border. On 13 January 2020, the United States District Court, Southern District of California issued an order requiring DHS to test DNA before separating an adult and child based on concerns about the validity of a claimed parental relationship.