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360 P.3d 1200
Or. Ct. App.
2016
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Background

  • Defendant was charged after a 2012 motorcycle collision that injured his passenger (counts included failure to perform duties, reckless endangerment, and reckless driving).
  • State sought to admit testimony and conviction records from two earlier incidents (2000 eluding by vehicle; 2002 high‑speed stop sign violation/reckless driving) to show motive/knowledge.
  • Defendant moved in limine to exclude the prior‑acts evidence as improper character/propensity evidence and, alternatively, as inadmissible under OEC 403 because unfairly prejudicial.
  • Trial court admitted the prior‑acts evidence, stating it went to knowledge, but made no explicit OEC 403 balancing or findings.
  • After briefing and argument, Oregon Supreme Court decided State v. Williams, holding OEC 404(4) governs other‑acts in criminal cases and requires OEC 403 balancing as a due‑process requirement.

Issues

Issue Plaintiff's Argument (State) Defendant's Argument Held
Whether prior‑acts evidence was admissible under OEC 404(4) and OEC 401 relevance Evidence was relevant to motive/knowledge and should be admitted Evidence was only propensity evidence and not relevant to permitted purposes Court required OEC 403 balancing before admission; admission without balancing was error
Whether trial court implicitly performed OEC 403 balancing Parties argued OEC 403; court’s admission implies it considered prejudice Trial court made no 403 findings and failed to exercise discretion Record does not show Mayfield/OEC 403 analysis; cannot infer implicit balancing; error to admit without explicit balancing
Whether appellate court may perform the OEC 403 balancing in the first instance Balancing is legal/due‑process question; appellate court can decide now Trial court must exercise discretion first; appellate court should not substitute its judgment Balancing is discretionary and must be done by the trial court on the record; remand required
Whether failure to conduct OEC 403 balancing was harmless error State did not argue harmlessness Defendant asserted reversible due‑process error Error was not shown harmless beyond a reasonable doubt; convictions reversed and remanded

Key Cases Cited

  • State v. Williams, 357 Or 1 (Oregon Supreme Court) (OEC 404(4) governs other‑acts in criminal cases; due‑process requires OEC 403 balancing)
  • State v. Mayfield, 302 Or 631 (Oregon Supreme Court) (articulates four‑step OEC 403 balancing framework and requirement to make record showing exercise of discretion)
  • State v. Brumbach, 273 Or App 552 (interpreting Williams to require ordinary OEC 403 balancing for other‑acts evidence)
  • Delaware v. Van Arsdall, 475 U.S. 673 (United States Supreme Court) (standard for harmless‑beyond‑a‑reasonable‑doubt review of constitutional error)
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Case Details

Case Name: State v. Mazziotti
Court Name: Court of Appeals of Oregon
Date Published: Mar 9, 2016
Citations: 360 P.3d 1200; 276 Or. App. 773; 2016 Ore. App. LEXIS 283; 369 P.3d 1200; 201218698; A153713
Docket Number: 201218698; A153713
Court Abbreviation: Or. Ct. App.
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    State v. Mazziotti, 360 P.3d 1200