Federal prosecutors in Minneapolis announced charges Tuesday against 15 individuals accused of conspiring to impede or injure federal officers during an immigration enforcement operation earlier this year. The indictment unsealed by U.S. Attorney Daniel N. Rosen identifies the defendants as members of two Minneapolis-based groups with ties to antifa, a loosely organized far-left movement opposing fascism and right-wing ideologies.

Twelve of the accused were arrested Tuesday, one was already in custody on unrelated charges, and two remained at large. The defendants face charges including conspiracy to impede or injure a federal officer, solicitation to commit a crime of violence, interstate stalking, assault on a federal officer, and destruction of government property. Five of the 15 face additional charges related to violent acts allegedly committed during protests against Immigration and Customs Enforcement (ICE) operations.

According to Rosen, the indictment stems from a months-long investigation into coordinated efforts by the defendants to disrupt immigration enforcement in Minneapolis. Prosecutors allege the group used blockades, debris, vehicles, and homemade shields to hinder federal agents’ movement, notably targeting the Whipple Federal Building, a key site for immigration operations and detainee processing. The defendants were also accused of monitoring federal agent movements through encrypted messaging apps and organizing rapid responses to enforcement activities.

Rosen described the charges as part of a broader federal initiative to address what he termed “organized, lawless behavior” that endangers law enforcement and purportedly the communities these protesters claimed to defend. He emphasized that while injury to agents was not confirmed, the planned use of force and disruption constituted prosecutable offenses. Homeland Security Investigations Special Agent Michael McCarthy reiterated that peaceful protest remains protected but stated the defendants crossed legal boundaries by resorting to violence.

The enforcement operation earlier this year involved thousands of federal agents deploying in the Twin Cities and surrounding areas to target immigration violations, using unmarked vehicles and at times confronting residents aggressively. The operation led to nearly 4,000 arrests but also sparked widespread local opposition, including volunteer “ICE watch” patrols and protests that frequently disrupted enforcement efforts.

The Trump administration has increased focus on antifa, designating it as a domestic terrorist entity through executive order last fall, despite lacking statutory basis. The indictment identifies the defendants as members of Direct Action Minnesota and affiliated subgroups like the Black Cat Workers Collective, characterized by prosecutors as committed to militant activism and revolutionary goals.

However, defense attorneys and some local officials criticized the charges as politically motivated suppressions of dissent and free speech. Bruce Nestor, an immigration lawyer representing one defendant, called the indictment “an act of political oppression,” while Minneapolis City Council member Jason Chavez expressed concern investigators might be targeting legal observers and community supporters. Several federal cases against protesters in Minnesota related to earlier immigration enforcement efforts have faced dismissal or downgrading amid judicial skepticism of the evidence.

Legal experts also questioned the robustness of the case, pointing to potential conflicts with First Amendment protections. University of Richmond law professor Carl Tobias described the indictment as “pretty thin,” cautioning that while violence is unlawful, individuals maintain constitutional rights to protest and, in some cases, to bear arms regardless of their ideological affiliations.

The case follows other federal prosecutions against alleged antifa-related groups, including a recent conviction in Texas of nine individuals accused of plotting armed attacks on an ICE detention center. The broader federal push to criminalize antifa-associated activism underpins ongoing debates over free speech, domestic terrorism classifications, and law enforcement responses to political protest. Meanwhile, investigations continue into law enforcement actions during the immigration crackdown, including fatal shootings of protesters and allegations against ICE agents involved in the Minnesota operations.