Unreported / Non-Citable
Background
Alexis Castaneda pleaded guilty to drug conspiracy in violation of 21 U.S.C. §§ 846 and 841(a)(1), (b)(1)(B) in the Northern District of Texas. At sentencing, the district court applied a two-level enhancement under U.S.S.G. § 2D1.1(b)(5), which applies when a controlled substance was imported from Mexico, resulting in a 235-month prison sentence.
Castaneda appealed on two grounds. First, he argued on the merits that the importation enhancement was improperly applied because he lacked knowledge that the methamphetamine he possessed had been imported from Mexico. Second, he argued that the appellate waiver contained in his plea agreement was unenforceable, pointing to statements made by the district judge at sentencing suggesting that Castaneda had preserved his objection to the enhancement and could appeal it.
The Court’s Holding
The Fifth Circuit granted the government’s motion for summary affirmance and affirmed the district court’s judgment. The panel held that Castaneda’s merits challenge to the § 2D1.1(b)(5) importation enhancement was foreclosed by circuit precedent, specifically United States v. Foulks, 747 F.3d 914 (5th Cir. 2014), and United States v. Serfass, 684 F.3d 548 (5th Cir. 2012), which establish that a defendant’s knowledge of importation is not required for the enhancement to apply.
Because the merits challenge was foreclosed, the court declined to reach Castaneda’s appellate-waiver argument, citing United States v. Thompson, 54 F.4th 849 (5th Cir. 2022), for the principle that a court may pretermit a waiver challenge when the underlying merits claim fails regardless. The court found summary disposition appropriate given that no substantial question existed as to the outcome.
Key Takeaways
- The Fifth Circuit’s prior precedent under Foulks and Serfass forecloses any argument that the § 2D1.1(b)(5) importation enhancement requires the defendant’s personal knowledge that the drug was imported from Mexico.
- A district court’s remark at sentencing that a defendant has “preserved” an objection for appeal does not, by itself, void an otherwise valid appellate waiver in a plea agreement — but the Fifth Circuit left that question formally unresolved here.
- When a defendant’s underlying merits claim is foreclosed by binding precedent, the Fifth Circuit may pretermit the appellate-waiver issue entirely rather than resolve it.
Why It Matters
This decision reinforces that the § 2D1.1(b)(5) sentencing enhancement for methamphetamine imported from Mexico is applied objectively in the Fifth Circuit — prosecutors need not prove, and defendants cannot defeat the enhancement by denying, subjective knowledge of the drug’s origin. Defense counsel should be aware that this argument remains a dead end in the circuit absent en banc or Supreme Court intervention.
The case also illustrates a procedural hazard for plea negotiations: a district judge’s off-the-cuff remarks about preserving appellate rights do not override the plain terms of an appellate waiver. Attorneys negotiating plea agreements should ensure clients understand that a judge’s statements at sentencing cannot expand rights that were contractually surrendered.