Interview with legal expert Sahar Aziz that addresses the arrest of Mahmoud Khalil, a Palestinian graduate student and permanent resident, for his involvement in nonviolent protests and dissenting speech at Columbia University. It highlights concerns regarding the US government's use of an obscure immigration statute to detain Khalil, emphasizing the potential long-term negative impact on free speech rights. This source is valuable for context on the arrest of Mahmoud Khalil, suppression of pro-Palestinian activism, immigration law, the criminalization of Palestinian solidarity in the US, and freedom of expression.