Pro-Palestinian activist Mahmoud Khalil returned to Columbia University on Sunday, a day after he was released from U.S. Immigration and Customs Enforcement detention. Khalil, who last year became ...

A defiant Mahmoud Khalil told supporters Sunday that his time in federal detention won’t deter him from campaigning on behalf ...

Mahmoud Khalil, the pro-Palestinian Columbia University activist who was detained by ICE, spoke with ABC News Live's Linsey ...