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E2025-01126-CCA-R3-CD
Tenn. Crim. App.
Jul 7, 2026
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Background

  • A Knox County jury convicted Johnny Mack Powell of attempted voluntary manslaughter, three aggravated assaults, marijuana and paraphernalia possession, and trespassing after a January 28, 2018 altercation with Darron Blackwell. 1
  • 911 calls and multiple eyewitnesses described Powell holding a gun to Blackwell’s head, threatening to kill him, and later cutting Blackwell’s throat with a knife or box cutter. 2
  • Blackwell testified that Powell approached him armed, threatened him, and cut his throat, causing surgery and lasting facial numbness. 3
  • Police recovered a Ruger .22 pistol from a witness, found a .40 caliber shell casing, and searched Powell, recovering marijuana, pipes, a scale, and a box cutter. 4
  • The trial court merged the aggravated assault convictions and imposed an effective ten-year sentence, and Powell appealed only the sufficiency of the evidence for attempted voluntary manslaughter and aggravated assault. 5

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Sufficiency of attempted voluntary manslaughter conviction 6 State argued Powell tried to shoot Blackwell and acted in passion after provocation. Powell claimed Blackwell was the aggressor and he acted in self-defense. Evidence sufficient; jury could reject self-defense and find attempted voluntary manslaughter. 7
Sufficiency of aggravated assault causing serious bodily injury 8 State argued Powell’s throat-cutting caused serious bodily injury. Powell argued Blackwell initiated the fight and self-defense applied. Evidence sufficient to support aggravated assault. 9
Sufficiency of aggravated assault by use of a deadly weapon 10 State argued the box cutter was a deadly weapon used to cut Blackwell. Powell challenged the proof and self-defense finding. Evidence sufficient to support aggravated assault. 11
Sufficiency of aggravated assault by causing fear with a deadly weapon 12 State argued Powell held a gun to Blackwell’s head and caused fear. Powell denied criminal liability and asserted self-defense. Evidence sufficient to support aggravated assault. 13

Key Cases Cited

  • Jackson v. Virginia, 443 U.S. 307 (U.S. 1979) (constitutional sufficiency-of-the-evidence standard 14)
  • State v. Goodwin, 143 S.W.3d 771 (Tenn. 2004) (Tennessee sufficiency standard and strongest legitimate view of evidence 15)
  • State v. Reid, 91 S.W.3d 247 (Tenn. 2002) (cited in sufficiency standard discussion 16)
  • State v. Pendergrass, 13 S.W.3d 389 (Tenn. Crim. App. 1999) (sufficiency standard applies to direct and circumstantial evidence 17)
  • State v. Dykes, 803 S.W.2d 250 (Tenn. Crim. App. 1990) (circumstantial-evidence sufficiency authority 18)
  • Duchac v. State, 505 S.W.2d 237 (Tenn. 1973) (circumstantial evidence alone may establish a crime 19)
  • State v. Rice, 184 S.W.3d 646 (Tenn. 2006) (jury decides weight and inferences from circumstantial evidence 20)
  • Marable v. State, 313 S.W.2d 451 (Tenn. 1958) (jury decides consistency of circumstantial evidence with guilt 21)
  • State v. Dorantes, 331 S.W.3d 370 (Tenn. 2011) (same sufficiency standard for direct and circumstantial evidence 22)
  • State v. Hanson, 279 S.W.3d 265 (Tenn. 2009) (quoted for sufficiency standard 23)
  • State v. Matthews, 805 S.W.2d 776 (Tenn. Crim. App. 1990) (appellate courts do not reweigh evidence 24)
  • State v. Buggs, 995 S.W.2d 102 (Tenn. 1999) (appellate courts do not substitute inferences for the jury's 25)
  • State v. Bland, 958 S.W.2d 651 (Tenn. 1997) (credibility and weight of evidence are for the jury 26)
  • State v. Grace, 493 S.W.2d 474 (Tenn. 1973) (jury verdict accredits State witnesses and resolves conflicts 27)
  • Bolin v. State, 405 S.W.2d 768 (Tenn. 1966) (explains why appellate review defers to jury and trial judge 28)
  • Carroll v. State, 370 S.W.2d 523 (Tenn. 1963) (quoted in explanation of deference to live testimony 29)
  • State v. Smith, 24 S.W.3d 274 (Tenn. 2000) (State receives strongest legitimate view and reasonable inferences 30)
  • State v. Carruthers, 35 S.W.3d 516 (Tenn. 2000) (convicted defendant bears burden to show insufficiency 31)
  • State v. Tuggle, 639 S.W.2d 913 (Tenn. 1982) (conflicts in testimony are resolved in favor of the verdict 32)
  • State v. Cabbage, 571 S.W.2d 832 (Tenn. 1978) (conflicts in proof are resolved for the State's verdict 33)
  • State v. Ivy, 868 S.W.2d 724 (Tenn. Crim. App. 1993) (self-defense is a factual question for the jury 34)
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Case Details

Case Name: State of Tennessee v. Johnny Mack Powell
Court Name: Court of Criminal Appeals of Tennessee
Date Published: Jul 7, 2026
Citation: E2025-01126-CCA-R3-CD
Docket Number: E2025-01126-CCA-R3-CD
Court Abbreviation: Tenn. Crim. App.
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    State of Tennessee v. Johnny Mack Powell, E2025-01126-CCA-R3-CD