Homeland Security Secretary Kristi Noem said in a CBS News interview that the Trump administration is focused on "going after the worst of the worst and doing it the right way," as questions are raised about the vetting process for migrants deported to a maximum security prison in El Salvador.

Trump’s comments undermined previous statements by his top aides and were a blunt sign of his administration’s intention to double down and defy the courts.

Homeland Security Secretary Kristi Noem spoke with "CBS Mornings" co-host Tony Dokoupil along the U.S.-Mexico border in El Paso, Texas, where she discussed the Trump administration's immigration crackdown,