What You Need To Know Pro-Palestinian protesters wearing masks and keffiyehs clashed with security guards and police Wednesday after staging a protest inside Columbia University's main library ...

Columbia University scholar Mahmoud Khalil, for example, is a legal U.S. resident with no criminal record who was detained in March over his participation in pro-Palestinian demonstrations.

It wasn’t just the community he worked in. The 24-year-old Dylan was someone who loved his girlfriend dearly, and equally as much, his family. "Very close with his mom, too,” Miller recalled.