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2025 Ohio 2626
Ohio Ct. App.
2025
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Background

  • Samuel Christian Sperry was convicted in Warren County, Ohio, for aggravated vehicular homicide and aggravated vehicular assault after a fatal two-vehicle collision on I-71 in 2023.
  • Sperry’s Hyundai Genesis struck the rear of Shirley Coletta’s Chevrolet Trax at 124 mph while Coletta was changing lanes at 75 mph; Coletta died and a passenger sustained serious injuries.
  • Blood tests showed Sperry had alcohol, marijuana (at over six times the legal limit), marijuana metabolite, and clonazepam in his system; field sobriety tests also indicated impairment.
  • Sperry was indicted on seven counts, including two counts each of aggravated vehicular homicide and assault (both OVI and reckless variations), and three OVI charges.
  • Sperry waived a jury trial; after a bench trial with expert testimony from accident and toxicology experts, he was found guilty, with several counts merged at sentencing for a total of 9-12 years’ imprisonment and lifetime license suspension.
  • On appeal, Sperry argued the State failed to prove his impairment was the proximate cause of the accident, challenged expert testimony, and alleged trial court partiality and legal errors.

Issues

Issue Plaintiff's Argument (Sperry) Defendant's Argument (State) Held
Sufficiency of Proximate Cause Evidence State failed to prove impairment was proximate cause of death/injury; cited Coletta's lane change as sole proximate cause Sufficient evidence of impairment causing collision: expert testimony on impairing effects of substances; no reaction or braking; EDR data; field sobriety results State presented sufficient evidence of proximate causation; convictions upheld
Admissibility and Weight of Expert Testimony (Topmiller) Blood alcohol calculation based on unreliable assumptions, making evidence insufficient Assumptions are standard in toxicology, go to weight not admissibility; effects of substances well-documented Assumptions affect weight, not admissibility; trial court properly credited expert
Trial Court's Impartiality in Questioning Witness Judge's questioning of Trooper Krantz crossed line into advocacy Questions were impartial, clarified factual evidence, not prejudicial in a bench trial No error, plain or otherwise, found; questioning permissible
Need for Separate Proximate Cause Proof (pending State v. Balmert) A predicate OVI conviction alone isn’t enough to satisfy proximate cause for aggravated vehicular homicide/assault Proximate cause is a separate element but was independently proven; relied on current law pending Supreme Court review Court declined to change law prior to Balmert decision; affirmed current approach

Key Cases Cited

  • State v. Thompkins, 78 Ohio St.3d 380 (Ohio 1997) (explains sufficiency vs. manifest weight challenges in criminal cases)
  • State v. Jenks, 61 Ohio St.3d 259 (Ohio 1991) (standard for sufficiency of the evidence)
  • Taylor v. Webster, 12 Ohio St.2d 53 (Ohio 1967) (there can be more than one proximate cause in civil/criminal law)
  • State v. Hardy, 28 Ohio St.2d 89 (Ohio 1971) (definition of being under the influence under Ohio OVI law)
Read the full case

Case Details

Case Name: State v. Sperry
Court Name: Ohio Court of Appeals
Date Published: Jul 28, 2025
Citations: 2025 Ohio 2626; CA2024-12-087
Docket Number: CA2024-12-087
Court Abbreviation: Ohio Ct. App.
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