In Mellouli v. Lynch, 575 U.S. 798 (2015), the Supreme Court ruled 7-2 that the federal government cannot deport a lawful permanent resident based on a state drug conviction unless an element of that conviction connects to a substance listed on the federal Controlled Substances Act schedules. The decision reversed a deportation order against a Tunisian man whose only offense was hiding four Adderall pills in his sock, and it ended the practice of treating minor state paraphernalia convictions as automatic grounds for removal.1Justia U.S. Supreme Court Center. Mellouli v. Lynch
The Sock, the Pills, and a Kansas Misdemeanor
Moones Mellouli entered the United States on a student visa in 2004 and later became a lawful permanent resident. In 2010, Kansas police stopped him for a traffic offense and found four Adderall pills concealed in his sock. He pleaded guilty to a Kansas misdemeanor for possession of drug paraphernalia — the sock — used to conceal a controlled substance.2U.S. Reports. Mellouli v. Lynch, Attorney General – Syllabus
The plea documents never named Adderall or connected the offense to any specific substance on a federal schedule. The conviction, by its own terms, was for possessing the sock. Federal immigration authorities nevertheless initiated deportation proceedings, arguing the paraphernalia conviction made Mellouli removable under the Immigration and Nationality Act.
The Federal Deportation Statute at Issue
The provision the government relied on, 8 U.S.C. § 1227(a)(2)(B)(i), makes any noncitizen convicted of violating a law “relating to a controlled substance (as defined in section 802 of title 21)” deportable. The statute carves out one exception, for a single offense involving personal possession of 30 grams or less of marijuana.3Office of the Law Revision Counsel. 8 USC 1227 Deportable Aliens
The parenthetical mattered. Section 802 limits “controlled substance” to drugs on the federal schedules, but every state maintains its own drug schedules, and those do not perfectly mirror the federal lists. When Mellouli was convicted, Kansas classified at least nine substances that did not appear on any federal schedule.2U.S. Reports. Mellouli v. Lynch, Attorney General – Syllabus
The Kansas paraphernalia statute, K.S.A. § 21-5709, referenced the state’s own drug schedules rather than the federal ones.4Justia. Kansas Statutes 21-5709 – Unlawful Possession of Certain Drug Precursors and Drug Paraphernalia A person convicted under it might have been involved with a substance Kansas bans but the federal government does not, and the conviction record alone could not resolve which was which.
How the Court Reached Its Decision
The case turned on the categorical approach, the method the Supreme Court has long used to decide whether a state conviction triggers a federal consequence like deportation. Under this approach, an immigration judge looks at the elements of the state statute, not at what the person actually did. The question was not what drugs were in Mellouli’s sock, but whether a conviction under the Kansas paraphernalia statute necessarily involved a federally controlled substance.
Because Congress tied deportation to convictions rather than conduct, the government has to work with what a conviction proves on its own terms. If a state statute is broad enough to cover both federally listed and non-federally listed substances, a conviction under it does not necessarily establish the link the federal statute requires.2U.S. Reports. Mellouli v. Lynch, Attorney General – Syllabus
A narrower tool, the modified categorical approach, sometimes lets a court peek at documents from the criminal case. But that tool only applies when the statute is “divisible” into distinct alternative offenses with different elements. Where the identity of the substance is a factual detail rather than an element, looking at the record changes nothing.
The Majority Opinion
Justice Ruth Bader Ginsburg wrote for the majority on June 1, 2015, joined by Chief Justice Roberts and Justices Scalia, Kennedy, Breyer, Sotomayor, and Kagan. The core holding was straightforward: to trigger deportation under § 1227(a)(2)(B)(i), the government must connect an element of the conviction to a drug defined in the federal Controlled Substances Act. A state paraphernalia conviction under a statute referencing state drug schedules broader than the federal lists does not meet that test.1Justia U.S. Supreme Court Center. Mellouli v. Lynch
The Court rejected the Board of Immigration Appeals’ reasoning in Matter of Martinez Espinoza, which had treated paraphernalia offenses as automatically “relating to” the drug trade in general with no need to show that any federally controlled substance was involved. The majority noted the absurd result that reasoning produced: a minor paraphernalia misdemeanor would carry harsher deportation consequences than actual drug possession or distribution, where the BIA already required a link to a federally listed substance.1Justia U.S. Supreme Court Center. Mellouli v. Lynch
The Dissent
Justice Clarence Thomas dissented, joined by Justice Samuel Alito. Thomas read “relating to” more broadly, arguing the phrase should reach offenses generally connected to controlled substances regardless of whether the specific substance was federally listed. Under his reading, the Kansas paraphernalia statute had enough of a general connection to satisfy the federal deportation standard.2U.S. Reports. Mellouli v. Lynch, Attorney General – Syllabus
What Changed for Noncitizens
State and federal drug schedules do not line up neatly. Many states list substances the federal government does not, and the two systems update at different speeds. Before this decision, the BIA’s approach meant a lawful permanent resident convicted of possessing a pipe or a baggie in a state with a broader schedule could face deportation even when the substance involved was not federally controlled. The ruling closed that path.
The impact is largest for paraphernalia offenses, which are among the most common low-level drug charges. These convictions often do not name the specific substance involved and typically carry minimal criminal penalties. After the decision, the government cannot use such a conviction as a shortcut to removal when the state statute does not require proof of a connection to a federally listed drug.
Where the Ruling Does Not Reach
The decision does not shield noncitizens from deportation for every drug offense. When a state statute tracks the federal schedules, or when the record of conviction identifies a specific federally controlled substance, the government can still establish the required link. It also does not help where the offense of conviction, by its statutory elements, requires involvement with a federally listed substance. The protection applies specifically where the state statute sweeps more broadly than federal law and the conviction record does not narrow the picture.
What Happened to Mellouli
After the Supreme Court reversed his deportation order, Mellouli’s case returned to the BIA. The Justice Department initially sought a dismissal “without prejudice,” which would have preserved the option of future proceedings. His legal team objected, and the matter went back to the Supreme Court, which ordered the BIA to take no further action pending resolution. The immigration court ultimately dismissed all deportation proceedings against Mellouli with prejudice, and the government committed not to seek deportation of any immigrant based on drug convictions lacking a proven connection to federally controlled substances.