Saudi Arabia’s admission about the fate of dissident journalist Jamal Khashoggi won’t stop Congress from forcing an investigation that could end in sanctions for the monarchy, said a top Republican senator.

“The story the Saudis have told about Jamal Khashoggi’s disappearance continues to change with each passing day, so we should not assume their latest story holds water,” Senate Foreign Relations Chairman Bob Corker, R-Tenn., said late Friday.