"[Trump officials] designated antifa, short for anti-fascist, a domestic terrorist group, even though the president did not have the lawful authority to do so. Antifa is also not an organization... [it's] akin to designating Marxism or feminism as a terror group."
https://www.theguardian.com/us-news/2026/mar/13/texas-terrorism-trial
The Guardian
Anti-ICE protesters accused of being part of antifa found guilty of support for terrorism in TexasCase was seen as major test of the first amendment and whether the US could use broad anti-terrorism statute to prosecute leftwing protesters