Mahmoud Khalil, a legal permanent resident and Columbia alum, was detained by ICE for his role in leading pro-Palestinian protests at his former university last year. As Khalil's case has captured the nation's attention, free speech advocates see it as a test of the First Amendment. Meanwhile, the Trump administration argues they have the right to deport Khalil without charging him with a crime. On this episode, why Khalil's arrest should worry all of us.

This episode was produced by Xavier Lopez. It was edited by Courtney Stein. Our engineers were Gilly Moon and Patrick Murray.