Oсtavio Lozoya, Jr., and Eduardo Galarza-Payan pled guilty to voluntary manslaughter for their roles in the death of Rigoberto Lopez-Alvaredo. The district court 1 sentenced each defendant to the *625 statutory maximum of 180 months imprisonment. Lozoya and Galarza-Payan appeal, contending the sentences imposed were substantively unreasonable. We affirm.
I.
On June 19, 2007, Lozoya and Gаlarza-Payan were inmates at the Federal Correctional Complex in Forrest City, Arkansas, when another inmate, Lopez-Alvaredo, arrived as a transfer from anоther federal prison. Shortly after Lopez-Alvaredo’s arrival, Galarza-Payan and another inmate entered Lopez-Alvaredo’s cell to determine whether he had any gang affiliations. Upon leaving the cell after only a few minutes, Galarza-Payan became concerned that Lopez-Alvaredo might be in a rival gang.
Roughly 30 minutеs later, Galarza-Payan again visited Lopez-Alvaredo in his cell, now accompanied by Lozoya. During this visit, a fight ensued in which Lozoya held Lopez-Alvaredo’s arms while Gаlarza-Payan repeatedly hit and kicked LopezAlvaredo in the neck and head. Shortly thereafter, Lozoya and Galarza-Payan left the cell with blood on thеir clothing and asked other inmates to assist them in hiding and destroying any evidence that might link them to the assault. Approximately 30 minutes after the attack, prison personnel discоvered Lopez^-Alvaredo lying unconscious in a pool of blood on his cell floor. Despite being transported to a trauma center in Memphis, Tennessee, Lоpez-Alvaredo died from his injuries three days later.
After being indicted for second-degree murder, Lozoya and Galarza-Payan pled guilty to voluntary manslaughter under 18 U.S.C. §§ 7, 1112(a). Lozоya’s Presentence Investigation Report (PSR) determined his offense level was 26 with a criminal history category of IV, resulting in a Guidelines range of 92 to 115 months. Galarza-Payan’s PSR detеrmined his offense level was 26 with a criminal history category of V, resulting in a Guidelines range of 110 to 137 months. At the sentencing hearings for Lozoya and Galarza-Payan, the district court agreed with the PSR recommendations and determined that the applicable Guidelines ranges were 92 to 115 months for Lozoya and 110 to 137 months for Galarza-Payan. But the district cоurt then went outside those ranges and sentenced each defendant to the statutory maximum of 180 months imprisonment, to run consecutive to the terms already being served. Lozoya and Galarza-Payan timely appealed, claiming the sentences imposed were unreasonable.
II.
We review the sentencing decisions of district courts undеr an abuse-of-discretion standard.
Gall v. United
States,
In sentencing a defendant, a district court must first determine the advisory sentencing range as recommended by the Guidelines.
Id.
at 49,
Evаluating the case at hand under this procedural framework, it is somewhat unclear from the record whether the district court, after calculating the applicable Guidelines range for each defendant, imposed a “departure” or a “variance” when it sentenced Lozoya and Galarza-Payan to sentences outside the initial recommended Guidelines range. The court justified the sentences for each defendant by noting the departure sections of 5K2.0 and 5K2.8 of the Guidelines as well as thе section 3553(a) factors that allow for a variance. (Sent. Hr’g Tr. 18:9-19:10, Dec. 4, 2009); (Sent. Hr’g Tr. 17:15-21:13, Dec. 16, 2009). However, because neither Lozoya nor Galarza-Payan claim the district court committed a procedural error during sentencing, we will address only the claim that the sentences imposed were substantively unreasonable. 2
A sentence is substantively unrеasonable if the district court “fails to consider a relevant factor that should have received significant weight, gives significant weight to an improper or irrelevant fаctor, or considers only the appropriate factors but commits a clear error of judgment in weighing those factors.”
United States v. Watson,
In explaining the sentences, the district court stated it was troubled by the brutal nature of the attack, the restraint of the victim during the attack, the defendants’ attempts to conceal the attack, and the gang-related cause of the original encounter. These considerations were proper under section 3553(a) because they related to the “nature and circumstances of the offense,” as well as “the need for the sentence imposed to reflect the seriousness
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of the offense.” 18 U.S.C. § 3558(a)(1), (a)(2)(A). The district court also considered the need to avoid unwarranted sentence disparities between Lozoya and Galarza-Payan because they both had similar records and had been found guilty of similar conduct.
See
18 U.S.C. § 3553(a)(6). Despite the arguments of Lozoya and Galаrza-Payan that these circumstances were not extraordinary enough to justify the district court’s deviation from the Guidelines range, a sentencing court “has wide latitude to weigh the [section] 3553(a) factors in each case and assign some factors greater weight than others in determining an appropriate sentence.”
United States v. Bridges,
Lozoya and Galarza-Payan also argue the sentences were unreasonable because the court should have considered the fact that the Government believed a sentence within the Guidelines range would have been appropriate. However, it is the district court judge, not the Government, that is responsible for dеtermining the appropriate sentence for a criminal defendant after considering the factors of section 3553(a).
See United States v. Booker,
III.
For the foregoing reasons, we affirm the sentences imposed by the district court.
Notes
. The Honorable Susan Webber Wright, United States District Judge for the Eastern District of Arkansas.
. Any claim regarding a potential procedural error is therеfore waived as it was not addressed in either appellant’s brief.
See Jenkins v. Winter,
