Homeland Security Secretary Kristi Noem has visited the high-security El Salvador prison where Venezuelans who the Trump administration alleges are members of the Venezuelan Tren de Aragua gang have been held since their removal from the U.

U.S. Homeland Security Secretary, Kristi Noem, signed an agreement with Colombia's foreign minister on Thursday to expand the sharing of biometric data for law enforcement. (AP/ Samuel Sotomayor)

US Secretary of Homeland Security, Kristi Noem, visited on Wednesday the high-security prison in El Salvador where Venezuelan detainees are held, who, as Washington alleges, are gang members detained since their expulsion from the United States.