Sep 19, 2026 · 40 min · 8 segments
In episode 54 of the Supreme Court Opinions read podcast, we read the Supreme Court's opinion in *Whitton v Dixon*. Whitton, a murderer convicted in Florida, brought a federal *habeas* petition after…
A Florida jury convicted petitioner Gary Richard Witten of murder and sentenced him to death.
During his trial, the state called several witnesses, including a jailhouse informant named Jake Ozio.
Ozio was a high school student who, on a spring break trip in Florida, was arrested and jailed for burglary and possession of a short barrel shotgun.
Oseo testified that, while he was incarcerated with Witten, he overheard Witten confess to stabbing the bastard.
Osio also testified that he had no criminal history prior to his spring break arrest.
That last piece of testimony turned out to be false.
Osio's juvenile records, which the state had in its possession at the time, showed that he had previously been charged with assault and bodily injury against his father, terroristic threats against his mother, and at least one other burglary.
After unsuccessfully pursuing a direct appeal and state post-conviction relief, Witten filed an application for a writ of habeas corpus in federal district court.
Among other claims, he argued that Osio's criminal history testimony was false, that the prosecution knew the testimony was false, and that there was a reasonable likelihood the testimony affected the jury's verdict.
Witten claimed that, as a result, his due process rights had been violated under this court's decision in Giglio v.
And he contended, as was additionally necessary for federal habeas relief, that the Giglio error had a substantial and injurious effect or influence in determining the jury's verdict.
The district court denied relief, finding that any Giglio error could not have made a difference to the jury's verdict because Florida juvenile criminal records are generally inadmissible to attack a witness's credibility.
Footnote 1.
We describe here only the brief part of the Court of Appeal's lengthy opinion relevant to the issue at hand.
Carrying on.
The court agreed with Witten that Ozio's criminal history testimony was false and that the state knew it to be false.
Moreover, the court disagreed with the district court's conclusion that any Giglio violation was harmless because of Florida evidence rules about juvenile records.
That conclusion the Court of Appeals explained was erroneous because Florida courts admit such records when a witness opens the door to prior convictions, including by stating that he has none.
and impeachment concerning Osio's juvenile record, the Court of Appeals concluded, would have undermined Osio's credibility, so the court could not affirm the district court's decision on its finding of harmless error.
The Court of Appeals then considered whether to affirm on another basis advanced by the state that Witten was not prejudiced by any Giglio error because Osio's testimony as a whole, not just the false part, was immaterial to the jury's verdict.
The court explained that the Florida Supreme Court had made a determination relevant to that issue during Witten's state post-conviction proceedings.
There, the Florida Supreme Court had stated that, even without Ozio's testimony, the evidence against Witten was overwhelming.
Under the Anti-Terrorism and Effective Death Penalty Act of 1996, the Court of Appeals owed deference to that state court determination unless it was based on an unreasonable determination of the facts in light of the evidence presented.
A Florida jury convicted petitioner Gary Richard Witten of murder and sentenced him to death.
During his trial, the state called several witnesses, including a jailhouse informant named Jake Ozio.
Ozio was a high school student who, on a spring break trip in Florida, was arrested and jailed for burglary and possession of a short barrel shotgun.
Oseo testified that, while he was incarcerated with Witten, he overheard Witten confess to stabbing the bastard.
Osio also testified that he had no criminal history prior to his spring break arrest.
That last piece of testimony turned out to be false.
Osio's juvenile records, which the state had in its possession at the time, showed that he had previously been charged with assault and bodily injury against his father, terroristic threats against his mother, and at least one other burglary.
After unsuccessfully pursuing a direct appeal and state post-conviction relief, Witten filed an application for a writ of habeas corpus in federal district court.
Among other claims, he argued that Osio's criminal history testimony was false, that the prosecution knew the testimony was false, and that there was a reasonable likelihood the testimony affected the jury's verdict.
Witten claimed that, as a result, his due process rights had been violated under this court's decision in Giglio v.
And he contended, as was additionally necessary for federal habeas relief, that the Giglio error had a substantial and injurious effect or influence in determining the jury's verdict.
The district court denied relief, finding that any Giglio error could not have made a difference to the jury's verdict because Florida juvenile criminal records are generally inadmissible to attack a witness's credibility.
Footnote 1.
We describe here only the brief part of the Court of Appeal's lengthy opinion relevant to the issue at hand.
Carrying on.
The court agreed with Witten that Ozio's criminal history testimony was false and that the state knew it to be false.
Moreover, the court disagreed with the district court's conclusion that any Giglio violation was harmless because of Florida evidence rules about juvenile records.
That conclusion the Court of Appeals explained was erroneous because Florida courts admit such records when a witness opens the door to prior convictions, including by stating that he has none.
and impeachment concerning Osio's juvenile record, the Court of Appeals concluded, would have undermined Osio's credibility, so the court could not affirm the district court's decision on its finding of harmless error.
The Court of Appeals then considered whether to affirm on another basis advanced by the state that Witten was not prejudiced by any Giglio error because Osio's testimony as a whole, not just the false part, was immaterial to the jury's verdict.
The court explained that the Florida Supreme Court had made a determination relevant to that issue during Witten's state post-conviction proceedings.
There, the Florida Supreme Court had stated that, even without Ozio's testimony, the evidence against Witten was overwhelming.
Under the Anti-Terrorism and Effective Death Penalty Act of 1996, the Court of Appeals owed deference to that state court determination unless it was based on an unreasonable determination of the facts in light of the evidence presented.
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