This is the moment that Mahmoud Khalil was arrested by immigration officers, as seen in footage filmed by Noor Abdalla, Khalil’s wife, and posted by the ACLU. The Trump administration is moving to deport Khalil, a permanent legal resident of the U.S. who was a prominent figure in pro-Palestinian demonstrations at Columbia University, in a drastic escalation of President Trump’s crackdown against what he has called antisemitic campus activity. Khalil’s arrest has ignited protests and set up a