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No. 9507655
United States Court of Appeals for the Ninth Circuit
United States v. Dylan Cowan
No. 9507655 · Decided May 28, 2024
No. 9507655·Ninth Circuit · 2024·
FlawFinder last updated this page Apr. 2, 2026
Case Details
Court
United States Court of Appeals for the Ninth Circuit
Decided
May 28, 2024
Citation
No. 9507655
Disposition
See opinion text.
Full Opinion
FILED
NOT FOR PUBLICATION
MAY 28 2024
UNITED STATES COURT OF APPEALS MOLLY C. DWYER, CLERK
U.S. COURT OF APPEALS
FOR THE NINTH CIRCUIT
UNITED STATES OF AMERICA, No. 23-50007
Plaintiff-Appellee, D.C. No.
8:21-cr-00155-JVS-1
v.
DYLAN MACGREGOR COWAN, MEMORANDUM*
Defendant-Appellant.
Appeal from the United States District Court
for the Central District of California
James V. Selna, District Judge, Presiding
Submitted May 17, 2024**
Pasadena, California
Before: GOULD and N.R. SMITH, Circuit Judges, and HINDERAKER,***
District Judge.
*
This disposition is not appropriate for publication and is not precedent
except as provided by Ninth Circuit Rule 36-3.
**
The panel unanimously concludes this case is suitable for decision
without oral argument. See Fed. R. App. P. 34(a)(2).
***
The Honorable John Charles Hinderaker, United States District Judge
for the District of Arizona, sitting by designation.
Dylan MacGregor Cowan appeals the district court’s imposition of an 120-
month sentence in connection with his plea of guilty to a single-count indictment
charging him with possession with intent to sell fentanyl in the Santa Ana Jail.
Cowan argues on appeal that the district court improperly applied the career-
offender enhancement under § 4B1.2(b) of the United States Sentencing
Guidelines because California’s controlled-substance statute under which his
predicate offense was charged, for possession of methamphetamine, is overbroad
as to the federal Controlled Substances Act (CSA). We review de novo whether a
prior conviction is a “controlled substance offense” under the Guidelines. United
States v. Leal-Vega, 680 F.3d 1160, 1163 (9th Cir. 2012). We have jurisdiction
under 18 U.S.C. § 3742(a) and 28 U.S.C. § 1291, and we affirm.
Cowan argues on appeal that United States v. Rodriguez-Gamboa is not
binding because Cowan’s text-based overbreadth argument was not before us in
Rodriguez-Gamboa. 972 F.3d 1148 (9th Cir. 2020). Rodriguez-Gamboa said:
“Because we hold, as a matter of law, that California’s definition of
methamphetamine is a categorical match to the definition under the federal CSA,
district courts confronting the issue in the future need not repeat what occurred in
this case.” Id. at 1154 n.5. There, the California law prohibiting the “sale of both
the geometric and optical isomers of methamphetamine” was a categorical match
2
to the federal law even though the federal law “outlaw[ed] possession only of
methamphetamine’s optical isomers.” Id. at 1149–50. This was so because,
chemically, there was no such thing as a geometric isomer of methamphetamine.
Id. at 1150. Therefore, there was no reasonable possibility that California would
prosecute anyone for possession of a geometric isomer. Id. at 1154.
We decline to read Rodriguez-Gamboa as holding only that California’s
CSA statute is a categorical match because of the chemical structure of
methamphetamine, but as leaving open the possibility that it is not a categorical
match due to other arguments.1 Rodriguez-Gamboa stated unequivocally that “as a
matter of law” the statutes were a categorical match and did not limit its holding to
its facts. Id. at 1154 n.5. It accordingly binds Cowan despite his text-based
arguments that California’s statute is overbroad as to the federal CSA.
Although we articulated an exception to this holding for a defendant who
“point[s] to his own case or other cases in which the state courts in fact did apply
the statute in the special (nongeneric) manner for which he argues,” id. (quoting
Gonzales v. Duenas-Alvarez, 549 U.S. 183, 193 (2007)), Cowan has not done so on
appeal; he only argues that these analogues exist. Therefore, the district court did
1
This is dispositive, so we decline to reach Cowan’s other arguments on
appeal.
3
not err in using Cowan’s prior methamphetamine offenses under California law to
apply the career-offender enhancement, so Cowan’s sentence is
AFFIRMED.
4
Plain English Summary
FILED NOT FOR PUBLICATION MAY 28 2024 UNITED STATES COURT OF APPEALS MOLLY C.
Key Points
01FILED NOT FOR PUBLICATION MAY 28 2024 UNITED STATES COURT OF APPEALS MOLLY C.
02COURT OF APPEALS FOR THE NINTH CIRCUIT UNITED STATES OF AMERICA, No.
03Selna, District Judge, Presiding Submitted May 17, 2024** Pasadena, California Before: GOULD and N.R.
04* This disposition is not appropriate for publication and is not precedent except as provided by Ninth Circuit Rule 36-3.
Frequently Asked Questions
FILED NOT FOR PUBLICATION MAY 28 2024 UNITED STATES COURT OF APPEALS MOLLY C.
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