The senator hoped to visit Kilmar Armando Abrego Garcia at the maximum security prison where he is being held. He also hoped to talk to Salvadoran officials about securing Abrego Garcia’s release.

White House adviser Stephen Miller said Monday that bringing a Maryland father the Trump administration mistakenly deported back to the U.S. would amount to “kidnapping,” because he is now in the custody of El Salvador—despite a Supreme Court order that the White House must “facilitate” Kilmar Abrego Garcia’s release.