Trump’s Battle Against Fraudulent Citizenship Heats Up

The Trump administration has declared war on citizenship fraud. It is moving faster than any government in decades to strip naturalized status from people accused of lying their way into the country. The target list includes fraudsters, drug traffickers, and child abusers who officials say never should have been approved in the first place.

Critics see something more troubling. They warn the same tool could be turned against political enemies. Both sides are fighting over a legal weapon that has existed for generations, but has rarely been fired this often.

Opening a new front

Since early 2025, the Justice Department has filed at least 89 denaturalization cases in federal court. The stated goal is 250 cases by October 2026. That pace already dwarfs recent history.

The Biden administration brought just 24 cases over four years. Trump’s first term produced 102 over the same span. The White House has called the current campaign the largest denaturalization effort ever attempted.

Homeland Security Secretary Markwayne Mullin summed up the reasoning bluntly. “When you commit fraud during the naturalization process, you forfeit the right to keep your U.S. citizenship,” he said. He added that the government is “committed to ensuring we denaturalize and remove these fraudsters with every tool at our disposal.”

Assistant Attorney General Brett Shumate echoed that stance, insisting the department will not “give a free pass to criminals who cheated their way into American citizenship.”

Why fraud is the target

The logic behind the fight is simple. Naturalization applicants must prove good moral character. If someone hid a serious crime, used a fake identity, or lied under oath, they never actually met that legal bar.

Revoking citizenship in these cases is not punishing someone for who they are. It is correcting a mistake that fraud created in the first place.

Gene Hamilton, president of America First Legal, framed it as basic governance. “If you’re a serious government, if you’re a serious nation, one of your foremost duties is to protect the citizenry and protect the meaning and the value of citizenship,” he said.

The cases filed so far back up that framing. Many involve people convicted of child sexual abuse, drug trafficking, or large scale fraud. Prosecutors say the underlying conduct was hidden from immigration officers at the time.

Examples include a Cuban immigrant accused of concealing an $886,000 Medicare fraud scheme, a Mexican national who used purchased identity documents, and a former priest convicted of abusing children. The Justice Department cites each as proof that citizenship was obtained through deception.

The 1967 ruling behind the fight

The legal foundation for this campaign traces back to a 1967 Supreme Court decision. That ruling said the government can only revoke citizenship for fraud or willful misrepresentation. It cannot act simply because officials dislike someone’s politics or associations.

The ruling followed a Cold War era campaign that stripped citizenship from roughly 22,000 people. Many were labor leaders and government critics accused of communist ties, according to University of Virginia law professor Amanda Frost.

Frost said the lesson from that era held for decades afterward, across both parties. “Denaturalization was to be used sparingly and was not supposed to be a bread and butter tool of immigration enforcement,” she said.

What the numbers show, and what critics fear

Daniel Kanstroom, a Boston College law professor, has reviewed the cases filed so far. He says they largely resemble what past administrations pursued. “On first blush, these cases don’t look all that different from cases that have been brought by previous administrations,” he said.

He also notes the legal protections still standing in the way. “These are cases in which the law is pretty clear that people are entitled to due process. They’re entitled to be heard by a federal judge, not just an immigration judge,” Kanstroom said. He expects courts to be “extremely careful with these cases” because “citizenship is a precious thing, and it should not be taken away lightly.”

That is really where the disagreement lives. Almost nobody defends people who lied about child abuse or drug trafficking to get citizenship. The fraud standard itself is not controversial, and critics fighting the removal of proven fraudsters are pushing against fairly simple logic.

The real concern sits in the rhetoric surrounding the cases. Trump has floated denaturalizing Rep. Ilhan Omar and has suggested Somali Americans deserve special scrutiny. He has also made false claims questioning New York City Mayor Zohran Mamdani’s legal status.

Cassandra Robertson, a law professor at Case Western Reserve University, argues that talk like this points toward a different target. “The denaturalization efforts are an attempt to suppress the political speech of naturalized citizens,” she said.

Former DOJ attorney Stacey Young added another warning. She said internal guidance now pushes staff to pursue anyone potentially eligible, even for minor paperwork errors, instead of weighing which cases truly matter.

That shift, not the underlying principle, is the real danger. A government rooting out proven fraud is defensible and fits squarely within the 1967 standard. A government that treats disfavored speech as fraud, or stretches the rules to catch minor technicalities, is fighting a different battle altogether. The courts, and the 1967 ruling itself, remain the main defense against that slide