Miguel Horacio Diaz-Garcia v. United States of America

CourtDistrict Court, N.D. Texas
DecidedJuly 7, 2026
Docket2:25-cv-00125
StatusUnknown

This text of Miguel Horacio Diaz-Garcia v. United States of America (Miguel Horacio Diaz-Garcia v. United States of America) is published on Counsel Stack Legal Research, covering District Court, N.D. Texas primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Miguel Horacio Diaz-Garcia v. United States of America, (N.D. Tex. 2026).

Opinion

IN THE UNITED STATES DISTRICT COURT FOR THE NORTHERN DISTRICT OF TEXAS AMARILLO DIVISION

MIGUEL HORACIO DIAZ-GARCIA,

Petitioner,

v. Civil Case 2:25-CV-125-Z (Criminal Case 2:23-CR-056-Z-BR-1)

UNITED STATES OF AMERICA,

Respondent.

MEMORANDUM OPINION AND ORDER DENYING MOTION TO VACATE, SET ASIDE, OR CORRECT SENTENCE

Petitioner Miguel Horacio Diaz-Garcia (“Diaz-Garcia”) filed a motion to vacate, set aside, or correct sentence under 28 U.S.C. Section 2255 by a person in federal custody. ECF No. 2. Having considered the motion, the response and reply, the record, and applicable authorities, the Court DENIES the motion for the reasons stated below. BACKGROUND The record in Diaz-Garcia’s underlying criminal case, No. 2:23-CR-056-Z-BR-1 (the “CR”), shows the following: On October 2, 2023, Diaz-Garcia pled guilty to one count of possession with intent to distribute cocaine and aiding and abetting, in violation of 21 U.S.C. Sections 841(a)(1), 841(b)(1)(C) and 18 U.S.C. Section 2. The Presentence Report (“PSR”) held Diaz-Garcia accountable for fifty kilograms of cocaine, assigned a total offense level of 35 and calculated a criminal history category of I. CR ECF No. 57-1 ¶¶ 31, 40, 49. His advisory guideline sentencing range was 168 to 210 months. Id. ¶ 84. On February 2, 2024, the Court sustained Diaz-Garcia’s objections to the PSR and calculated a new guideline range of 87-108 months. CR ECF No. 97 at 4–14. The Court then sentenced Diaz-Garcia to 108 months of imprisonment, followed by three years of supervised release. CR ECF No. 71. Diaz-Garcia filed a direct appeal, and on September 17, 2024, the Fifth Circuit dismissed the appeal as frivolous. See CR ECF No. 105-1. Diaz-Garcia did not seek further review and timely filed this Section 2255 motion. ECF No. 2. The government responded, alleging that Diaz-Garcia’s request for relief is meritless and should be denied. ECF No. 8. Diaz-Garcia filed a reply, disputing the government’s contentions. ECF No. 11. STANDARD OF REVIEW After conviction and exhaustion or waiver of a defendant’s right to appeal, courts are

entitled to presume that the defendant stands fairly and finally convicted. United States v. Frady, 456 U.S. 152, 164–165 (1982); United States v. Shaid, 937 F.2d 228, 231–32 (5th Cir. 1991) (same). A defendant can challenge his conviction or sentence after it is presumed final only on issues of constitutional or jurisdictional magnitude, and may not raise an issue for the first time on collateral review without showing both cause for his procedural default and actual prejudice resulting from the errors. Shaid, 937 F.2d at 232. Section 2255 does not offer recourse to all who suffer trial errors. “[A]n error that may justify reversal on direct appeal will not necessarily support a collateral attack on a final judgment.” United States v. Addonizio, 442 U.S. 178, 184 (1979). Section 2255 is reserved for transgressions of constitutional rights and other narrow injuries that could not have been raised on direct appeal and would, if condoned, result in a complete miscarriage of justice. United States v. Capua, 656 F.2d 1033, 1037 (5th Cir. 1981). Stated differently, a writ of habeas corpus will not be allowed to do service for an appeal. Davis v. United States, 417 U.S. 333, 345 (1974); United States v. Placente, 81 F.3d 555, 558 (5th Cir. 1996). Further, if a defendant raises issues that are considered on direct appeal, he is precluded from urging the same issues in a later collateral attack. Moore v. United States, 598 F.2d 439, 441 (5th Cir. 1979) (citing Buckelew v. United States, 575 F.2d 515, 517–18 (5th Cir. 1978)). ANALYSIS To prevail on an ineffective assistance of counsel claim, a movant must show (1) counsel’s performance fell below an objective standard of reasonableness and (2) there is a reasonable probability that, but for counsel’s unprofessional errors, the result of the proceedings would have been different. Strickland v. Washington, 466 U.S. 668, 687 (1984). “[A] court need not determine whether counsel’s performance was deficient before examining the prejudice suffered by the defendant as a result of the alleged deficiencies.” Id. at 697; see

also United States v. Stewart, 207 F.3d 750, 751 (5th Cir. 2000) (“Failure to meet either the deficient performance prong or the prejudice prong will defeat a claim for ineffective assistance of counsel.”). Simply making conclusory allegations of deficient performance and prejudice does not satisfy the Strickland test. Miller v. Johnson, 200 F.3d 274, 282 (5th Cir. 2000). “Surmounting Strickland’s high bar is never an easy task.” Padilla v. Kentucky, 559 U.S. 356, 371 (2010). The likelihood of a different result “must be substantial, not just conceivable,” Harrington v. Richter, 562 U.S. 86, 112 (2011), and a movant must prove counsel’s errors “so undermined the proper functioning of the adversarial process that the trial cannot be relied on as having produced a just result.” Cullen v. Pinholster, 563 U.S. 170, 189 (2011) (quoting Strickland, 466 U.S. at 686). Judicial scrutiny of this type of claim is highly deferential—the movant must overcome a strong presumption that counsel’s conduct falls within the wide range of reasonable professional assistance. Strickland, 466 U.S. at 689. Diaz-Garcia alleges that counsel was ineffective on three grounds. Each is addressed below. I. Failure to File a Motion to Suppress Diaz-Garcia first alleges that counsel was ineffective for failing to file a pretrial motion to suppress based on the legality of the traffic stop that resulted in the discovery of cocaine in Diaz-Garcia’s rental car. ECF No. 2 at 4. He states that the unfiled motion had a “likelihood of being successful based on relevant supporting case law” and would have resulted in him not being indicted because evidence of the cocaine would have been suppressed. Id. Specifically, Diaz-Garcia alleges the arresting officer extended the traffic stop without reasonable suspicion, violating his rights under the Fourth Amendment. ECF No. 11 at 7–8. He contends he would not have pled guilty had counsel filed a motion to suppress. ECF No. 11-1 at 52.

“‘[O]nce a guilty plea has been entered, all nonjurisdictional defects in the proceedings against a defendant are waived,’ and the waiver ‘includes all claims of ineffective assistance of counsel, except insofar as the alleged ineffectiveness relates to the voluntariness of the giving of the guilty plea.’” United States v. Cavitt, 550 F.3d 430, 441 (5th Cir. 2008) (quoting Smith v. Estelle, 711 F.2d 677, 682 (5th Cir. 1983)). A guilty plea waives a claim of pre-plea ineffective assistance unless the defendant shows a reasonable probability he would have pled not guilty but for counsel’s deficient performance. Id.; United States v. Palacios, 928 F.3d 450, 456 (5th Cir. 2019); see also United States v. Spear, No. 18-60530, 2022 WL 1565350 (5th Cir.

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Related

Padilla v. Kentucky
559 U.S. 356 (Supreme Court, 2010)
United States v. Placente
81 F.3d 555 (Fifth Circuit, 1996)
United States v. Chavez-Valencia
116 F.3d 127 (Fifth Circuit, 1997)
Walker v. Apfel
180 F.3d 261 (Fifth Circuit, 1999)
United States v. Aguero-Miranda
199 F.3d 753 (Fifth Circuit, 1999)
Miller v. Johnson
200 F.3d 274 (Fifth Circuit, 2000)
United States v. Stewart
207 F.3d 750 (Fifth Circuit, 2000)
United States v. Estrada
459 F.3d 627 (Fifth Circuit, 2006)
United States v. Cavitt
550 F.3d 430 (Fifth Circuit, 2008)
United States v. McKnight
570 F.3d 641 (Fifth Circuit, 2009)
United States v. Rodriguez
602 F.3d 346 (Fifth Circuit, 2010)
Terry v. Ohio
392 U.S. 1 (Supreme Court, 1968)
Davis v. United States
417 U.S. 333 (Supreme Court, 1974)
Blackledge v. Allison
431 U.S. 63 (Supreme Court, 1977)
United States v. Timmreck
441 U.S. 780 (Supreme Court, 1979)
United States v. Addonizio
442 U.S. 178 (Supreme Court, 1979)
United States v. Frady
456 U.S. 152 (Supreme Court, 1982)
Strickland v. Washington
466 U.S. 668 (Supreme Court, 1984)
Hill v. Lockhart
474 U.S. 52 (Supreme Court, 1985)
Kimmelman v. Morrison
477 U.S. 365 (Supreme Court, 1986)

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Miguel Horacio Diaz-Garcia v. United States of America, Counsel Stack Legal Research, https://law.counselstack.com/opinion/miguel-horacio-diaz-garcia-v-united-states-of-america-txnd-2026.