The U.S. has deported more than 400 migrants — from nations as far as China and Vietnam — to Panama and Costa Rica, leaving them in legal limbo.

Deporting migrants to Central American countries removes many political and legal hurdles for the Trump administration. How far can the practice go before these nations reach a breaking point?

Secretary Rubio thanked the Costa Rican president Rodrigo Chaves Robles for prioritizing the security of their 5G system by only allowing trusted vendors to bid on it and keeping out companies that’re back by China, which often uses economic coercion and sabotage.