Department of Homeland Security spokesperson Tricia McLaughlin charged in a statement following the arrest that "Khalil led activities aligned to Hamas, a designated terrorist organization," but offered no support for the claim...#MahmoudKhalil..#Trump..#ColumbiaUniversity..#Israel..#crime https://gothamist.com/news/what-to-know-about-the-immigration-arrest-of-recent-columbia-grad-mahmoud-khalil