After promising the largest mass deportation effort in U.S. history, the Trump administration has made sweeping changes to the country's immigration system.

Some of those have been challenged in court, and on Friday a federal judge barred the rapid deportation of hundreds of thousands of migrants who entered the U.S. legally through humanitarian programs.

The Trump administration is expected to appeal, and many migrants

still face an uncertain future. William Brangham joins us now with more. William.

That's right, Jeff. In recent months, ICE agents have been arresting migrants outside courtrooms and

courthouses. Many of them are being seized immediately after immigration judges had

terminated their cases, often at the request of the federal government. Father Brian Strasberger

is a Jesuit priest who serves migrants on both sides of the southern border. He recently attended

one of these immigration court hearings in Harlingen, Texas, and wrote an article

for American Magazine about what he saw. And Father Brian Strassberger joins us now. Father,

could you just tell us a little bit about that case that you witnessed in Texas? Who was before the

judge? And what happened that day? Yes, thank you for the invitation to be here and to share the story.

In early July, I went to immigration court in Harlingen because I had heard that just like in courtrooms across the country,

migrants at immigration court were being targeted for detention and deportation.

And I wanted to witness it with my own eyes.

And so while I was there that

morning, a migrant walked in, Carlos, he's been in the country from five years. He's fleeing persecution

in Nicaragua, where he was politically active against the government. And he went to his court

date and followed along with the judge who was giving him instructions around the next steps of his

legal process. This is someone for the five

years he's been in the country, has followed the law and done everything as instructed to him.

At the end of his conversation with the judge, she turned to a representative of DHS, who was

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