United States v. Efrain Sifuentes, 945 F.3d 865

Sifuentes participated in a Mexico–Dallas drug operation: his cousin Zavala sold meth in Dallas and Sifuentes laundered proceeds and coordinated transfers back to Mexico.
Sifuentes recruited Aaron Gonzalez to help launder funds and repeatedly communicated with Zavala and Dallas contacts (over 600 electronic communications).
On at least one occasion Sifuentes tried to persuade Gonzalez to pick up and move a meth shipment (referring to drugs hidden in “cokes and soap”); Gonzalez refused; two weeks later FBI arrested Sifuentes.
After a hung jury at trial, Sifuentes pleaded guilty without a plea agreement to a money‑laundering conspiracy, admitting he knew the funds came from drug trafficking.
The PSR applied U.S.S.G. §2S1.1(a)(1), cross‑referencing to §2D1.1 based on underlying drug distribution, attributing ~14.91 kg meth and yielding an adjusted offense level of 38 (CH II) with a statutory 240‑month cap.
The district court varied downward and sentenced Sifuentes to 160 months; Sifuentes appealed, arguing the court erred in applying §2S1.1(a)(1) and that the sentence was procedurally and substantively unreasonable.

Issue	Sifuentes's Argument	Government's Argument	Held
Whether §2S1.1(a)(1) (use underlying‑offense offense level) applies or §2S1.1(a)(2) (use value of laundered funds)	He did not commit or aid the underlying drug distribution; his conduct was limited and at most a one‑time facilitation, so §2S1.1(a)(2) should apply (offense level 26).	Sifuentes repeatedly coordinated with leaders, laundered proceeds, and on at least one occasion attempted to direct a drug pickup; thus he aided/abetted the underlying drug offense and §2S1.1(a)(1) applies (cross‑ref to §2D1.1).	Affirmed: §2S1.1(a)(1) applies; district court reasonably found he aided/abetted and upheld PSR calculations.
Substantive reasonableness of the 160‑month sentence	The below‑Guidelines sentence failed to account properly for mitigating factors and is substantively unreasonable.	The court considered §3553(a) factors and imposed an 80‑month downward variance; below‑Guidelines sentences carry a presumption of reasonableness.	Affirmed: appellant failed to rebut the presumption; sentence was not an abuse of discretion.

United States v. Ruiz, 621 F.3d 390 (5th Cir. 2010) (review standard: de novo for Guidelines application)
United States v. Diehl, 775 F.3d 714 (5th Cir. 2015) (abuse‑of‑discretion review for substantive reasonableness)
United States v. Torres, 856 F.3d 1095 (5th Cir. 2017) (interpretation of §2S1.1(a) eligibility)
United States v. Charon, 442 F.3d 881 (5th Cir. 2006) (standards for applying §2S1.1(a)(1))
United States v. Harper, 448 F.3d 732 (5th Cir. 2006) (preponderance‑of‑the‑evidence standard for sentencing facts)
United States v. Mata, [citation="409 F. App'x 740"] (5th Cir. 2011) (evidence can support aiding/abetting finding at sentencing)
United States v. Barfield, 941 F.3d 757 (5th Cir. 2019) (broad definition of common scheme or same course of conduct in drug cases)
United States v. Bryant, 991 F.2d 171 (5th Cir. 1993) (common scheme or plan analysis)
United States v. Simpson, 796 F.3d 548 (5th Cir. 2015) (presumption of reasonableness for below‑Guidelines sentences)
United States v. Rodriguez, 660 F.3d 231 (5th Cir. 2011) (mere disagreement with sentence insufficient to rebut presumption)