CNN —US Special Presidential Envoy for Hostage Affairs Roger Carstens quietly traveled to Venezuela this week, a State Department spokesperson confirmed to CNN Wednesday. Carstens traveled to the capital city of Caracas for “discussions about the welfare and safety of US nationals wrongfully detained in Venezuela,” the spokesperson said. “We continue to advocate for the immediate and unconditional release of all wrongfully detained US nationals in Venezuela at every opportunity,” they said. ‘Signing his death warrant’The family members of the detained Americans, all of whom have been detained more than a year, are increasingly worried about their loved ones. Tillery told CNN that the US is “signing his death warrant” by not securing Kenemore’s release.

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Persons: Hostage Affairs Roger Carstens, Carstens, ”, “, Eyvin Hernandez, Jerrel Kenemore, Luke Denman, Airan Berry, Nicolas Maduro, Jeana, Tillery, Gustavo Cárdenas –, Jorge Alberto Fernandez, – Jose Pereira, Jorge Toledo, Tomeu, Alirio Zambrano, Jose Luis Zambrano, Matthew Heath, Osman Khan –, Biden Organizations: CNN, Hostage Affairs, State Department, United Locations: Venezuela, Caracas, United States, Venezuelan