Lopez v. Gonzales, 549 U.S. 47 (2006) (U.S. Supreme Court)
Lopez v. Gonzales is a cornerstone Supreme Court decision at the intersection of immigration and criminal law—often labeled "crimmigration." It resolves a deep circuit split over whether a state drug conviction labeled a felony by state law qualifies as an "aggravated felony" under the Immigration and Nationality Act (INA) when the same conduct would be treated as a misdemeanor under federal law.
Does a state felony conviction for simple possession of a controlled substance—conduct that is a misdemeanor under the federal Controlled Substances Act—qualify as an "aggravated felony" under the INA by virtue of the cross-reference to the definition of "drug trafficking crime" in 18 U.S.C. § 924(c)?
For purposes of INA § 101(a)(43)(B), 8 U.S.C. § 1101(a)(43)(B), a state drug conviction qualifies as an "aggravated felony" only if it proscribes conduct that is punishable as a felony under the federal Controlled Substances Act. The term "drug trafficking crime" in 18 U.S.C. § 924(c)(2) means an offense for which the CSA itself authorizes felony punishment (i.e., more than one year), not an offense deemed a felony solely by state law.
No. A state felony conviction for conduct that the federal Controlled Substances Act treats as a misdemeanor (such as simple possession) is not an aggravated felony under the INA. Lopez's conviction for aiding and abetting simple possession therefore did not constitute an aggravated felony.
Lopez establishes that aggravated felony analysis under § 1101(a)(43)(B) turns on whether the offense would be a felony under the federal CSA, not on state felony labels. This restores uniformity and mitigates the harsh, automatic immigration consequences that would otherwise flow from disparate state classifications of identical drug-possession conduct. The case also foreshadows and informs later Supreme Court decisions—Carachuri-Rosendo v. Holder (2010) and Moncrieffe v. Holder (2013)—that apply categorical reasoning to drug and aggravated-felony provisions, clarifying when possession and low-level distribution offenses trigger aggravated felony consequences. For law students, Lopez is essential to the statutory-interpretation toolkit in crimmigration, illustrating textual analysis, federalism concerns, and the categorical approach's role in determining immigration outcomes.