Mahmoud Khalil, the Palestinian activist who arrested by Immigration and Customs Enforcement despite possessing a green card, will appear in court Wednesday.

Some were upset she didn't sign a letter calling for his release, even as she was working on a different protest.

The attorneys for Mahmoud Khalil, a leader of Columbia University’s pro-Palestinian protests who was arrested Saturday by immigration agents, are seeking to have him released “as expeditiously as ...