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ASHTON v. STATE
2017 OK CR 15
| Okla. Crim. App. | 2017
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Background

  • Isaac Luna Ashton was convicted by a jury of two counts of First Degree Murder and one count of Unlawful Carrying a Weapon; sentenced to life without parole on each murder count (to run consecutively) and 30 days on the weapons count (concurrent).
  • Victims Verdell Walker and Tiara Sawyer were shot in the parking lot outside Ashton’s apartment in Tulsa; four civilian witnesses placed Ashton as the shooter; victims were unarmed.
  • Ashton admitted carrying the .38 revolver, fled the scene with two companions (Goff and Brown), and initially lied to police; the revolver and spent casings were recovered and ballistically matched to the projectiles.
  • Tyesha Goff, one of the companions, invoked the Fifth Amendment at trial and did not testify; the defense sought admission of a prosecutorial summary of Goff’s out‑of‑court statements and alternatively claimed the court should compel or immunize her testimony.
  • Ashton raised five main claims on appeal: denial of right to present a complete defense (related to Goff’s invocation/immunity/hearsay summary), erroneous flight instruction, prosecutorial misconduct, ineffective assistance of counsel, and cumulative error. The Court affirmed the convictions and denied an evidentiary hearing on the ineffective‑assistance claim.

Issues

Issue Plaintiff's Argument (Ashton) Defendant's Argument (State) Held
Right to present complete defense — Goff’s Fifth Amendment invocation Trial court wrongly permitted Goff to invoke privilege, preventing Ashton from presenting her exculpatory testimony Goff faced real risk of prosecution (accessory); privilege properly applied Court: No abuse of discretion; privilege properly allowed
Immunity for defense witness under OK Const. art. II, §27 Trial court should have granted Goff immunity so she would testify Immunity unavailable absent prosecutor agreement approved by court or compulsion after denied privilege Court: No authority to grant immunity; requirement not met; no error
Admission of prosecutor’s out‑of‑court summary of Goff (statement against interest/hearsay within hearsay) Summary was a statement against penal interest and should be admitted Summary contained hearsay within hearsay; prosecution’s summary statements lacked independent hearsay exception foundation Court: Exclusion proper — each layer of hearsay must meet an exception; summary inadmissible but harmless because cumulative evidence existed
Flight instruction (consciousness of guilt) Instruction assumed guilt and shifted burden Instruction proper where defendant testifies and flight evidence exists Court: Instruction appropriate; no plain error
Prosecutorial misconduct (threatening witness, factual and legal misstatements, sympathy appeals) Prosecutor intimidated Goff, argued facts not in evidence, expressed personal opinion, appealed for sympathy, misstated law Prosecutor properly raised concern about Goff’s exposure, did not threaten, arguments were reasonable inferences or invited by defense, and comments did not mislead jury Court: No plain error; cumulative effect not prejudicial
Ineffective assistance — failure to test victim’s shirt for GSR Counsel deficient for not testing shirt; could have shown distance and undermined executions claim No prejudice shown; outcome would not likely differ; testing incomplete and speculative Court: Strickland not satisfied; no evidentiary hearing warranted
Cumulative error Cumulative errors deprived Ashton of fair trial Alleged errors were meritless/harmless Court: Denied; convictions affirmed

Key Cases Cited

  • Crane v. Kentucky, 476 U.S. 683 (U.S. Supreme Court—right to present a complete defense)
  • Chambers v. Mississippi, 410 U.S. 284 (U.S. Supreme Court—limits on excluding critical, trustworthy evidence)
  • Strickland v. Washington, 466 U.S. 668 (U.S. Supreme Court—ineffective assistance of counsel standard)
  • Webb v. Texas, 409 U.S. 95 (U.S. Supreme Court—impermissible judicial/prosecutorial interference with defense witnesses)
  • Maness v. Meyers, 419 U.S. 449 (U.S. Supreme Court—broad construction of Fifth Amendment privilege)
  • United States v. Pablo, 696 F.3d 1280 (10th Cir. 2012) (distinguishing proper warning from improper witness intimidation)
  • Pavatt v. State, 159 P.3d 272 (Okla. Crim. App. 2007) (Fifth Amendment privilege and defendant’s opportunity to present defense)
  • Mitchell v. State, 876 P.2d 682 (Okla. Crim. App. 1993) (flight instruction appropriateness)
  • Malone v. State, 293 P.3d 198 (Okla. Crim. App. 2013) (cumulative effect/prosecutorial misconduct review)
Read the full case

Case Details

Case Name: ASHTON v. STATE
Court Name: Court of Criminal Appeals of Oklahoma
Date Published: Jun 1, 2017
Citation: 2017 OK CR 15
Docket Number: Case F-2016-15
Court Abbreviation: Okla. Crim. App.