Two federal lawsuits now stand between the Trump administration and its suggestion that immigration officers could appear at polling places during the midterm election. The first was filed September 10 by Denver and civil rights groups. The second arrived early Friday from a coalition of unions and voting rights organizations. Both turn on the same rarely cited statute, a Reconstruction-era felony provision that bars armed men from any place where an election is held, and both are testing a law that has never been tested before.
The 1865 law that the lawsuits have made central
The statute is 18 U.S. Code Section 592, and its history explains why it is suddenly central. Congress wrote the core provision in 1865, in the aftermath of a civil war, to stop troops from appearing at polling places. The original text allowed an exception for keeping the peace, but Congress removed that exception in 1909. What remains makes it a felony, punishable by up to five years in prison, to order troops or armed men to a polling place except to repel armed enemies of the United States. The law has sat mostly dormant for more than a century because no administration has made the conduct it describes a live question. This one has.
The trigger was a statement. In early September, Homeland Security Secretary Markwayne Mullin said ICE officers could enter polling places to serve warrants or conduct enforcement activity. The lawsuits treat that statement, plus earlier signals, as a policy. One suit calls it the Polling Place Policy and asks a federal judge in Washington, D.C. to declare it unlawful and enjoin federal officers from operating or carrying weapons near polling places, drop boxes, and curbside voting sites. The plaintiffs in that case are Denver, LULAC, Common Cause, and UnidosUS, represented by Democracy Forward and the Public Rights Project.
The two lawsuits and their two legal routes
The second lawsuit takes a different legal route to the same destination. Filed early Friday by civil rights groups and unions including Mi Familia en Acción, OCA - Asian Pacific American Advocates, the NAACP, and four national unions, it argues that the prospect of federal agents at the polls violates the Voting Rights Act's ban on voter intimidation. The litigation also targets what it describes as the DHS Unlawful Voter Initiative, arguing the program rests on flawed data that could lead to the detention of U.S. citizens. Where the Denver suit invokes a felony statute from 1865, the Friday suit invokes a civil rights law from 1965. Together they bracket the century of law that governs this question.
The administration's answer, stated fairly
The administration's position deserves a fair statement, because the dispute is not a simple one. DHS has said ICE is not planning operations targeting polling locations. Mullin has said ICE is not there to patrol the polling places. The chairman of the Joint Chiefs of Staff wrote in late August that the military has no plans to send troops or federalized National Guard members to polls. The administration's framing is that agents might respond to threats or serve warrants, and that a response to a genuine threat is not the conduct the statute prohibits. The lawsuits answer that the threat itself, announced by a cabinet secretary and amplified by allies, is exactly what the 1865 law was written to prevent.
The factual record the plaintiffs assembled
The factual record the suits assemble gives them their urgency. They cite ICE activity reported at polling sites in San Antonio, Texas, Ventura County, California, and Syracuse, New York. They note that the Justice Department removed its guidance on polling place restrictions, and that former officials and outside allies have called openly for immigration enforcement to surround the polls. A call from a political figure to have ICE around the polls in November reads differently to a judge when a cabinet secretary has already said officers could enter polling places, and the lawsuits present the two statements as a single pattern.
The statute's obscurity is both its power and its problem. Because Section 592 has never been meaningfully adjudicated, no court has settled what counts as ordering armed men to a polling place, what counts as a polling place when early voting and drop boxes are involved, or whether a public statement amounts to an order. The plaintiffs read the statute broadly, as a flat ban on armed federal presence. The administration will likely read it narrowly, as a ban on actual deployment, not on hypothetical authority. The judge who gets this question first will be writing on a mostly blank slate, which is rare in election law and consequential for exactly that reason.
There is also a structural argument running beneath both cases that the parties state differently. The voting rights groups frame the issue as intimidation: a voter who believes armed federal officers may be present is a voter under threat, and the Voting Rights Act does not require the threat to be carried out. The Denver suit frames it as a criminal statute that the executive branch must obey before the fact. The two framings share a premise: the announcement itself does harm. Whether courts accept that premise, in either statutory language, is the question the midterm calendar has put on a deadline.
The broader legal context matters for how these cases will move. Earlier challenges to the administration's mail-in voting changes largely failed as premature, and the Supreme Court declined one such suit in August. The polling place cases are different in kind. They do not ask a court to stop a policy that has not taken effect. They ask a court to confirm that the conduct at issue is already illegal under a statute that has been law for 160 years. Prematurity is a weaker defense against a request to declare existing law than against a request to block an impending rule.
What the calendar forces, and what the cases cannot settle
What happens next is procedural, and the calendar is unforgiving. Early voting begins in some states within days, and the general election is November 3. The plaintiffs will ask for preliminary relief, the administration will move to dismiss, and the judges will have to decide whether a 160-year-old criminal statute applies to a set of statements made in 2026. A ruling either way will be appealed, and the appeals could land at the Supreme Court during an election season that has already produced its share of emergency applications.
For voters, the litigation changes little about what they will see at the polls, and that is worth saying plainly. No court has ordered anyone to stay away, and no court has confirmed anyone's right to be there. What the lawsuits do is put the question in front of judges before the election rather than after it, which is the entire point of the plaintiffs' choice to file in September. An untested statute is being tested at the one moment when the answer determines what an election looks like.
Primary sources
- Maine Public/NPR: It's illegal for armed federal officers to be at polls. Lawsuits seek to ensure that
- Courthouse News: Denver sues Trump to block ICE patrols at polling sites
- The Indiana Lawyer: Sending armed ICE agents to polling places would be a federal crime, lawsuit says
- UPI: Denver, advocacy groups sue to bar ICE agents at voting sites