The current administration wants to go after protesters using an obscure Cold War-era statute.

When protests over the Israel-Hamas war took root on Columbia University’s campus last spring, Mahmoud Khalil became a familiar, outspoken figure in a student movement that soon spread to other U.S. c

U.S. District Judge Beryl Howell referenced Khalil during an unrelated hearing on Trump's order targeting law firm Perkins Coie.

Hundreds of demonstrators marched downtown while a spokeswoman for President Trump said the president had the authority to detain Mahmoud Khalil.

The Trump administration said it is using intelligence collected by the Department of Homeland Security to identify international students who participated in protests against the Israel-Hamas war across dozens of college campuses last year,

Immigration enforcement agents on Saturday arrested and detained Mahmoud Khalil, a legal U.S. resident and Palestinian activist.