Federal Judge in Miami Strikes Down Noncitizen Voting Prosecution, Dealing Blow to Trump Election Crackdown

A federal judge in Miami has dismissed a criminal case against a noncitizen accused of voting illegally, ruling that the federal law underpinning the charge exceeds Congress's constitutional authority. The decision, issued Thursday by US District Judge David Leibowitz, represents a significant legal setback for the Trump administration's broader push to prosecute alleged election fraud in the run-up to November's midterm elections.

The case centered on Chelsea Cox, a Florida resident originally from Jamaica who was charged in October 2025 with casting a ballot illegally in the 2020 presidential election. Leibowitz dismissed the federal prosecution, finding that the US Constitution reserves the power to set voter qualifications exclusively to individual states, not to the federal government.

At the heart of the ruling is the judge's interpretation of constitutional text that assigns states — not Congress — the responsibility for determining who may vote. Since every state in the union already mandates US citizenship as a prerequisite for voting, Leibowitz reasoned that any prosecution for violating that requirement must be brought by state authorities rather than the Department of Justice. He noted pointedly that Florida "can and does" enforce such rules, pointing to existing state statutes that cover the conduct Cox is accused of.

The immediate practical effect of the ruling is limited: it applies only to Cox's case and does not bind judges in other jurisdictions. However, its broader significance could be considerable. Approximately 45 similar cases remain pending across the country, and at least four other defendants have already raised the same constitutional argument, suggesting the decision could serve as a template for challenges elsewhere.

Leibowitz was nominated to the federal bench by former Democratic President Joe Biden, a detail that may fuel partisan debate over the ruling's motivations. His decision lands amid an intensifying political battle over election integrity, with President Donald Trump repeatedly and falsely claiming that noncitizen voting cost him the 2020 election. Trump has portrayed such voting as part of a wider Democratic effort to dilute Republican electoral support, despite the practice being both illegal and extremely rare.

According to court filings, Cox entered the United States as a tourist in 1999, overstayed her visa, and later used a fraudulent birth certificate from the US Virgin Islands — a US territory in the Caribbean — to obtain a Florida driver's licence and register to vote in 2012. Her case illustrates the complex pathways by which some noncitizens end up on voter rolls, often through documentation fraud or administrative error rather than deliberate schemes to influence election outcomes.

Since Trump returned to office in January 2025, the Department of Justice has charged at least 60 people with the offence of voting by a noncitizen. That figure forms part of a broader enforcement push that the administration has framed as essential to restoring confidence in US elections. Yet the data behind those prosecutions tells a more nuanced story than the political rhetoric suggests.

A Reuters review of 129 people charged with "voting by an alien" since 2021 found that none was accused of conspiring to sway an election, backing a particular candidate, or being paid to vote. Most of those charged were lawful permanent residents who had registered by mistake or on incorrect advice from an election worker or government clerk. The pattern raises questions about whether federal resources are being directed at genuine threats to electoral integrity or at individuals ensnared by bureaucratic confusion.

The ruling also carries implications for the separation of powers. By asserting that Congress overstepped its constitutional bounds, Leibowitz's decision reinforces the principle that election administration is fundamentally a state prerogative — a doctrine that has shaped American governance since the founding. States have long operated their own voter registration systems, set their own eligibility criteria, and enforced their own election laws, with federal involvement typically limited to civil rights protections and campaign finance regulation.

Cox's lawyer, Bruce Udolf, welcomed the ruling and expressed hope that authorities would not now pursue her deportation, citing her declining health conditions. His comments underscore the human stakes involved in the administration's enforcement campaign, which can leave defendants facing not only criminal penalties but also immigration consequences that may separate them from families and communities.

The Department of Justice has not indicated whether it will appeal the decision or adjust its prosecution strategy in light of the ruling. With dozens of similar cases still pending and the midterm elections approaching, the legal question of who holds authority to prosecute noncitizen voting is likely to remain contested in courtrooms across the country. For now, the Miami decision offers a template for defendants seeking to challenge federal prosecutions on constitutional grounds — and a reminder that even in an era of intense political polarization, the boundaries of federal power remain subject to judicial review.