Background
A jury found Mark Anthony Wilson guilty of four counts involving the sexual abuse of three minors: his biological daughter, her friend, and his girlfriend’s other daughter. The superior court sentenced Wilson to two eight-year and two 22-year aggravated prison terms, all to run consecutively.
Before trial, the superior court admitted evidence under Arizona Rule of Evidence 404(b) that Wilson had provided alcohol to two of the victims and evidence under Rule 404(c) of three prior instances in which he sexually abused his daughter. Although the court said it would give limiting instructions and defense counsel requested them, no such instructions were given. Wilson’s appellate counsel filed an Anders brief, and a different appellate panel affirmed his convictions and sentences.
Wilson then sought post-conviction relief based on ineffective assistance of trial and appellate counsel. The superior court concluded that appellate counsel should have challenged the missing Rule 404(c) instruction, vacated the conviction and sentence on the count involving Wilson’s daughter, and denied relief on the three counts involving the other two victims. Wilson petitioned for review, arguing that the instructional error also prejudiced those remaining counts.
The Court’s Holding
The Court of Appeals granted review but denied relief. Because no objection was made when the trial court failed to give the requested Rule 404(c) instruction, the omitted instruction would have been reviewed on direct appeal only for fundamental, prejudicial error. To establish ineffective assistance of appellate counsel, Wilson therefore had to show a reasonable probability that raising the issue would have changed the outcome of his appeal.
The court held that Wilson did not establish prejudice as to the three remaining counts. The instructions the jury did receive required proof beyond a reasonable doubt, prohibited decisions based on sympathy or prejudice, and directed jurors to decide each count separately under the evidence and law applicable to it. Those instructions mitigated the risk that the prior-abuse evidence concerning Wilson’s daughter would affect the other counts.
The remaining convictions also rested on detailed, independent testimony from the other two victims about separate incidents occurring on different dates and under different circumstances. The court therefore concluded that giving the missing Rule 404(c) instruction would not have led a reasonable jury to reach different verdicts on those counts, so appellate counsel’s failure to raise the issue did not prejudice Wilson as to them.
Key Takeaways
- When Rule 404(c) sexual-propensity evidence is admitted, the trial court must instruct the jury on its proper use.
- Failure to give the required limiting instruction is not automatically fundamental, prejudicial error; the omission must be evaluated under the totality of the circumstances.
- Instructions requiring proof beyond a reasonable doubt, barring sympathy or prejudice, and directing separate consideration of each count can mitigate the risk that other-acts evidence will taint unrelated counts.
Why It Matters
The decision illustrates the prejudice showing required when ineffective assistance of appellate counsel is based on an unpreserved instructional error. Even when a required Rule 404(c) instruction was omitted, relief on other counts may be unavailable if the instructions as a whole limited spillover risk and independent evidence strongly supported those convictions.
The memorandum decision is not precedential under Arizona Supreme Court Rule 111(c) and may be cited only as that rule permits.