United States v. Tyler Richard Seaberg

CourtCourt of Appeals for the Sixth Circuit
DecidedFebruary 3, 2026
Docket24-6076
StatusUnpublished

This text of United States v. Tyler Richard Seaberg (United States v. Tyler Richard Seaberg) is published on Counsel Stack Legal Research, covering Court of Appeals for the Sixth Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
United States v. Tyler Richard Seaberg, (6th Cir. 2026).

Opinion

NOT RECOMMENDED FOR PUBLICATION File Name: 26a0070n.06

Case Nos. 24-5991/6076

UNITED STATES COURT OF APPEALS FOR THE SIXTH CIRCUIT FILED Feb 03, 2026 ) KELLY L. STEPHENS, Clerk UNITED STATES OF AMERICA, ) Plaintiff-Appellee, ) ON APPEAL FROM THE ) UNITED STATES DISTRICT v. ) COURT FOR THE EASTERN ) DISTRICT OF TENNESSEE MASON SHELTON (24-5991), TYLER ) RICHARD SEABERG (24-6076), ) ) OPINION Defendants-Appellants. )

Before: BOGGS, READLER, and DAVIS, Circuit Judges.

DAVIS, Circuit Judge. In this consolidated criminal appeal, Defendants Mason Shelton

and Tyler Seaberg appeal their sentences. Shelton and Seaberg both pleaded guilty to conspiracy

to distribute marijuana and conspiracy to commit money laundering. Shelton and Seaberg now

challenge their sentences as procedurally and substantively unreasonable. For the reasons stated

below, we AFFIRM.

I.

During the summer of 2023, the Drug Enforcement Administration (“DEA”) began

investigating a suspected marijuana-trafficking organization operating in and around Chattanooga,

Tennessee. The investigation led agents to Seaberg and Shelton. On July 16, 2023, agents

arranged for a confidential informant (“CI”) to call Shelton about making a large purchase of Nos. 24-5991/6076, United States v. Shelton, et al.

marijuana. Shelton met up with the CI later that day to discuss the sale. At their meeting, Shelton

advised that his “partner, [Seaberg]” would have access to several hundred pounds of marijuana

in August. (Shelton PSR ¶ 20). A few days later, Shelton invited the CI to meet over dinner to

discuss the sale.

On July 26, 2023, Seaberg, Shelton and the CI gathered for dinner, and Seaberg showed

the CI photographs of marijuana. Seaberg told the CI that he had several clients in the area and

explained that he collects their orders and then sends a driver to California to pick up and transport

the marijuana back to Tennessee. Once the shipment arrived, Seaberg would sort the marijuana

and deliver the orders to his customers. Seaberg agreed to sell the CI 150 pounds of marijuana for

$165,000.

Shelton later called the CI to confirm the purchase and agreed to meet on August 10, 2023,

at a local Cracker Barrel to conduct the sale. Shelton and Seaberg first met at Seaberg’s residence

and loaded packages of marijuana into a vehicle. Shelton instructed an unnamed co-conspirator,

who was armed with two handguns, to follow them in Shelton’s vehicle to the Cracker Barrel for

security in case “things went bad.” Seaberg and Shelton arrived at the Cracker Barrel while their

security escort parked at a nearby Chick-fil-A. In short order, agents approached Shelton and

Seaberg’s vehicle, saw the marijuana, and arrested the defendants. Authorities recovered 150

pounds of marijuana from the vehicle and found a loaded handgun belonging to Shelton under the

passenger seat.

Shelton and Seaberg pleaded guilty to (1) conspiracy to distribute and to possess with intent

to distribute 50 kilograms or more of a mixture and substance containing a detectable amount of

marijuana, in violation of 21 U.S.C. §§ 841(a)(1), (b)(1)(C), and 846; and (2) conspiracy to commit

money laundering in violation of 18 U.S.C. § 1956(a)(1)(A)(i), (a)(1)(B)(i), (h).

-2- Nos. 24-5991/6076, United States v. Shelton, et al.

During sentencing, both Shelton and Seaberg objected to their respective presentence

investigation reports (“PSR”). Shelton argued that he should receive a downward adjustment for

a minimal or minor role under United States Sentencing Guidelines (“USSG”) § 3B1.2. The

district court disagreed and denied his objection. The district court adopted the PSR’s

recommendation and found a base offense level of 23. The government then moved for a

downward departure based on Shelton’s substantial assistance under USSG § 5K1.1. The district

court granted that motion and decreased Shelton’s offense level by three. The resulting adjusted

offense level of 20 and criminal history category I placed his Guidelines range at 33 to 41 months.

Shelton moved for a downward variance based on the decriminalization of marijuana in many

jurisdictions, which the district court denied. After considering the 18 U.S.C. § 3553(a) factors,

the court sentenced Shelton to 33 months in prison on each count, to be served concurrently.

Seaberg objected to his PSR’s recommendation for a leadership-role enhancement under

USSG § 3B1.1. The district court denied this objection. It then adopted the PSR’s

recommendation and found a base offense level of 25, which included the two-point leadership-

role enhancement. The government moved for a downward departure based on Seaberg’s

substantial assistance under USSG § 5K1.1. The district court granted that motion and decreased

Seaberg’s offense level by two. From there, the district court determined a Guidelines range of 46

to 57 months based on an offense level of 23 and criminal history category of I. Seaberg moved

for a variance on multiple grounds, each of which the district court denied. After considering the

§ 3553(a) factors, the court sentenced Seaberg to 46 months in prison on each count, to be served

concurrently.

Shelton and Seaberg now challenge their sentences as procedurally and substantively

unreasonable.

-3- Nos. 24-5991/6076, United States v. Shelton, et al.

II.

We review both the procedural and substantive reasonableness of a sentence under the

abuse-of-discretion standard. United States v. Parrish, 915 F.3d 1043, 1047 (6th Cir. 2019).

“When reviewing the district court’s application of the Sentencing Guidelines, we review the

district court’s factual findings for clear error and mixed questions of law and fact de novo.”

United States v. Nicolescu, 17 F.4th 706, 721 (6th Cir. 2021) (citation and emphasis omitted). And

we review de novo the district court’s interpretation of the Guidelines. Id. at 722.

III.

“Procedural reasonableness requires the court to ‘properly calculate the guidelines range,

treat that range as advisory, consider the sentencing factors in 18 U.S.C. § 3553(a), refrain from

considering impermissible factors, select the sentence based on facts that are not clearly erroneous,

and adequately explain why it chose the sentence.’” Parrish, 915 F.3d at 1047 (quoting United

States v. Rayyan, 885 F.3d 436, 440 (6th Cir. 2018)). Substantive reasonableness focuses on the

length of the sentence. Id. A sentence is substantively reasonable if it is “proportionate to the

seriousness of the circumstances of the offense and offender, and sufficient but not greater than

necessary, to comply with the purposes of § 3553(a).” United States v. Vowell, 516 F.3d 503, 512

(6th Cir. 2008) (citation modified).

A. Shelton’s Sentence

1. Procedural Reasonableness—Mitigating Role Adjustment

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