Supreme Court’s Blanche v Lau: What It Means for Green Card Holders

The 6-3 ruling in Blanche v. Lau gives Customs and Border Protection agents sweeping new power to reclassify returning green card holders at the airport — before any trial, before any conviction, and with no heightened evidentiary burden.

In a decision handed down June 23, 2026, the United States Supreme Court fundamentally altered the legal landscape for the 12.8 million lawful permanent residents living in America. The ruling in Blanche v. Muk Choi Lau, No. 25-429, resolved a circuit split and handed the Trump administration a significant enforcement win — one with immediate, practical consequences for any green card holder who travels abroad while carrying unresolved criminal exposure.

The case is about power at the border — and who holds it.

What Was the Legal Question in Blanche v. Lau?

Under federal immigration law, lawful permanent residents (LPRs) returning from a trip abroad are generally treated as “already admitted.” They walk back into the United States without having to prove their right to be here — because they already earned it. That default protection is written into the Immigration and Nationality Act.

But the INA includes exceptions. If a returning resident has committed certain crimes — including crimes involving moral turpitude (CIMT), which courts have broadly applied to cover fraud, theft, forgery, and violent offenses — they may be reclassified as “seeking admission,” effectively treated the same as a first-time visa applicant at the border.

The question before the Court was narrow but consequential: how much proof must a border officer have, at the moment of reentry, to trigger that reclassification?

The Second Circuit had held that CBP agents needed “clear and convincing evidence” of a qualifying crime before flipping a returning resident into “seeking admission” status. The Supreme Court — in a 6-3 majority opinion authored by Justice Clarence Thomas — reversed that holding entirely.

Who Is Muk Choi Lau, and What Happened to Him?

The case began in 2012. Muk Choi Lau, a Chinese national who had been a lawful permanent resident since 2007, traveled abroad while facing a pending state criminal charge in New Jersey for trademark counterfeiting — selling counterfeit apparel.

When Lau returned to the United States through JFK Airport, CBP officers did not formally admit him. Instead, they confiscated his physical green card, issued him a handwritten I-94 arrival card, and placed him on “immigration parole” — physically allowing him into the country while legally treating him as standing at the border, never admitted.

He later pleaded guilty to the counterfeiting charge and was convicted. DHS then placed him in removal proceedings, charging him as an “applicant for admission” who was inadmissible under the INA.

The removal case dragged on for over a decade. Lau, now 69 years old, has been living under that paper receipt as his only proof of status for fourteen years.

What Did the Supreme Court Rule?

Justice Thomas, writing for the six-justice majority, held that nothing in the INA requires border officers to possess clear and convincing evidence before treating a returning resident as an applicant for admission. A charge — even an unproven one — is sufficient to trigger the reclassification at the border stage. The government is then permitted to build its evidentiary case later, during removal proceedings in immigration court.

The majority broke the legal analysis into two steps. At step one — the border — the government only needs reason to believe a covered crime was committed. At step two — the removal hearing — it must prove the crime by clear and convincing evidence. Thomas wrote that imposing the higher evidentiary burden on “border officers entrusted with making quick judgments on the spot” was a requirement the INA simply does not contain.

The ruling reversed the Second Circuit’s judgment and remanded the case — with one important caveat: the Second Circuit still must determine whether Lau’s trademark counterfeiting conviction qualifies as a CIMT at all, which means the case is not over.

Who Dissented, and Why Does It Matter?

Justice Ketanji Brown Jackson, joined by Justices Sonia Sotomayor and Elena Kagan, dissented sharply.

Jackson warned that the majority “has now handed the Government a massive blank check.” Under the ruling, she argued, the government can reclassify a returning resident at the border and only justify that decision later — inverting the INA’s plain statutory sequence, which she read as requiring adequate evidence at the time of reentry, not retroactively assembled afterward.

The dissent also pointed to what happened to Lau himself as a preview of what the ruling enables: his physical green card was confiscated at the airport, replaced with a handwritten paper receipt that employers are instructed to treat as a short-term document. He entered immigration limbo not after a conviction, not after a trial, but the moment a CBP agent at JFK made a judgment call.

Jackson argued the ruling undermines decades of protection that Congress explicitly built into the statute for lawful permanent residents — a class of immigrants who have already passed background checks, established roots, and in many cases lived in the United States for decades.

What Does This Mean in Practice?

The practical consequences begin at the airport, and they begin immediately.

Under Blanche v. Lau, a CBP officer who sees a pending charge, an active indictment, or a database flag for a qualifying offense now has the authority — without any heightened evidentiary threshold — to:

• Reclassify the returning resident as “seeking admission” rather than “already admitted”
• Confiscate the physical green card
• Issue immigration parole status in its place
• Place the individual into removal proceedings in which the burden of proof shifts to the individual to establish their right to remain

Immigration attorneys responding to the ruling have called the grant of discretion to border agents “almost unlimited.” Even charges that are later dismissed, or offenses that may not ultimately qualify as crimes involving moral turpitude, can trigger the reclassification before a court ever reviews the case.

A green card holder of twenty-four years with one open Cook County retail-theft case, confident her criminal lawyer will negotiate it down to a non-CIMT plea, can now have her card confiscated at the port of entry before that plea is ever entered. She enters the country on a paper receipt. The clock on her limbo starts before her case resolves.

That is not a hypothetical. Immigration lawyers say it is the scenario they now expect to see routinely.

What Crimes Are Covered?

The ruling applies to offenses that qualify as crimes involving moral turpitude — a broad and frequently litigated category that courts have applied to fraud, theft, forgery, perjury, certain drug offenses, and a range of violent crimes. The category is not defined by statute, which means border agents exercising this expanded authority will be making real-time judgments about what qualifies at the port of entry, without any floor of evidentiary certainty.

Drug-related offenses under federal or state law are also listed as a separate exception under the INA.

Minor traffic violations are generally not covered — but any charge involving dishonesty, property, controlled substances, or violence requires legal review before international travel.

Is Deportation Now Automatic?

No. The ruling is narrower than some coverage suggests.

Blanche v. Lau addresses the border-stage classification decision only. It does not authorize CBP to cancel a green card at the airport, or to order deportation without due process. Immigration judges in removal proceedings still hold final authority over whether a resident is actually removed from the United States. The government must still prove its case — by clear and convincing evidence — at the removal hearing stage.

What the ruling changes is the threshold for action before that hearing. The government no longer needs to arrive at the border with its evidence already assembled. It can reclassify first, collect proof later.

Critics argue that is precisely the problem. Once reclassified as “seeking admission,” a resident faces a harder legal framework — inadmissibility charges rather than deportability charges, a shifted burden of proof, potential mandatory detention, and a removal case that may take years to resolve.

The Broader Context: One Ruling in a Larger Immigration Term

Blanche v. Lau arrives as the Supreme Court’s 2025 term nears its close with several major immigration disputes still pending — most notably on birthright citizenship. The ruling is widely seen as a signal of the Court’s posture toward executive immigration enforcement authority.

Advancing American Freedom, a group founded by former Vice President Mike Pence, called the decision necessary to allow removal of individuals who “abuse the privilege” of permanent residency. The liberal Alliance for Justice said it expands the path for revoking green cards based on suspicion alone.

The Asian American Legal Defense and Education Fund, which filed an amicus brief supporting Lau, warned during litigation that the government’s position would reduce permanent residency to a status that can be disrupted at the border on the basis of accusation rather than proof.

The Court’s majority did not address that concern directly. It found the statutory text controlling, and the text — in Justice Thomas’s reading — does not impose an evidentiary burden on border officers.

Key Questions

• Does this ruling apply to all green card holders? No — only those who fall within the INA’s criminal-offense exceptions, primarily crimes involving moral turpitude or drug-related offenses.
• Can a CBP agent deport someone on the spot? No. Deportation still requires removal proceedings before an immigration judge.
• Is the case over for Muk Choi Lau? No. The Second Circuit must still determine whether his specific conviction qualifies as a CIMT — which could resolve the case in his favor.
• Does this affect green card holders who have never traveled abroad? Only if they leave the country; the ruling governs the reentry classification process.
• Does the ruling affect naturalized citizens? No. U.S. citizens cannot be treated as applicants for admission.