Glossip v. Oklahoma
The Supreme Court ordered a new trial for Richard Glossip, an Oklahoma man on death row for nearly three decades, after finding that prosecutors knowingly let their only direct witness falsely deny that he had ever seen a psychiatrist — a constitutional violation that corrupted the entire trial.
The ruling reinforces that prosecutors have a firm constitutional duty to correct false testimony by their own witnesses, and that failing to do so in a case where that witness is the only evidence of guilt requires starting the trial over.
How it got here: Glossip filed a successive post-conviction petition supported by Oklahoma's own attorney general; the Oklahoma Court of Criminal Appeals denied it as procedurally barred and meritless; the Supreme Court stayed Glossip's execution and agreed to hear the case.
The Case in Depth
What happened
Richard Glossip managed an Oklahoma City motel and was convicted in 2004 of hiring handyman Justin Sneed to murder the motel's owner, Barry Van Treese, in 1997. Sneed admitted to the killing and was the only witness to directly testify that Glossip had directed the murder in exchange for thousands of dollars. At trial, Sneed falsely denied ever seeing a psychiatrist and claimed not to know why he had been prescribed lithium — when in fact he had been diagnosed with bipolar disorder and treated by a jail psychiatrist. The prosecution was aware of Sneed's mental health history before trial but allowed the false testimony to stand.
The question before the Court
Did Oklahoma prosecutors violate the Constitution by knowingly allowing their star witness — the only person to directly implicate a death row inmate — to lie under oath about his mental health treatment, and does that entitle the inmate to a new trial?
The Court's answer
Yes — the prosecution violated the Constitution. The Court first held it had authority to hear the case: Oklahoma's appeals court applied a state procedural bar only after concluding — on federal constitutional grounds — that no due process violation occurred. Because that state procedural barrier depended on a federal determination, it was not truly independent of federal law, giving the Court jurisdiction to review.
On the merits, the record established that Sneed falsely testified he had never seen a psychiatrist and did not know why he had been prescribed lithium. In fact, a jail psychiatrist had diagnosed him with bipolar disorder and prescribed lithium to treat it. The prosecution knew this before trial — the lead prosecutor's own pre-trial interview notes referenced the psychiatrist's name alongside "lithium." Because Sneed was the only witness directly tying Glossip to the murder, his credibility was all-important; allowing his lie to stand without correction deprived the jury of information that could have changed the verdict. With the state's own attorney general confessing the error and the record supporting that concession, Glossip is entitled to a new trial.
Curious how the Court got there? See the step-by-step legal reasoning →
Why it matters
Glossip's case returns to Oklahoma, where prosecutors must decide whether to retry him after nearly 30 years on death row. More broadly, the decision confirms that a prosecutor who knows a witness is lying and stays silent violates the Constitution — no matter how long ago the trial occurred — and that defendants harmed by such misconduct are entitled to a new trial.
What changes now
The case is sent back to Oklahoma for a new trial. Oklahoma prosecutors must decide whether to retry Glossip, nearly 30 years after the crime. The Supreme Court did not address Glossip's separate Brady claim — that the state withheld evidence — finding full relief under the Napue ruling made that unnecessary. The decision does not determine Glossip's guilt or innocence; it only ensures he receives a fair trial with accurate testimony.
What this does not decide
The Court did not address Glossip's Brady claim that the prosecution withheld evidence, ruling that the Napue violation alone entitled him to a new trial. The ruling does not find Glossip innocent — only that the constitutional error entitles him to start over. It also does not resolve the several unaddressed state-law procedural questions the dissent identified as potentially still relevant on remand.
Concurrences and dissents
Concurrence in part — Justice Barrett
Justice Barrett agreed with the majority that the Court had jurisdiction and that the Oklahoma appeals court misapplied the Napue rule. She parted ways on the remedy: rather than ordering a new trial outright, she would have corrected the lower court's legal errors and sent the case back for the Oklahoma courts to make factual findings in the first instance. She argued the record contained competing plausible interpretations of the key evidence — particularly the lead prosecutor's handwritten notes — that no court had yet resolved, and that the Supreme Court was not equipped to act as the initial factfinder.
Dissent — Justice Thomas
Justice Thomas, joined by Justice Alito, argued the Court had no jurisdiction because the Oklahoma appeals court's denial rested on an independent and adequate state procedural ground — the PCPA's bar on successive petitions — that did not depend on any federal law ruling. On the merits, he contended Sneed's false statements about seeing a psychiatrist were immaterial because the defense already knew about Sneed's mental health condition and deliberately chose not to use it at trial. He further argued the majority had no authority to order a new trial in a post-conviction proceeding riddled with unresolved state-law requirements, and that the victim's family was denied a meaningful opportunity to present contrary evidence.
How the Court got there
The legal reasoning, step by step
- The Court first addressed its authority to hear the case. Oklahoma's Post-Conviction Procedures Act (PCPA) ordinarily provides an independent state-law basis for denying post-conviction relief, which would bar federal review. But the Oklahoma appeals court applied the PCPA only after finding — as a matter of federal constitutional law — that no due process violation had occurred. Because the state procedural bar was conditional on that federal determination, it was not truly 'independent' of federal law, giving the Court jurisdiction.
- To resolve any lingering ambiguity, the Court applied the Michigan v. Long presumption (from a 1983 decision): when a state court opinion does not make clear whether it rested on state or federal law, the Court assumes the state court relied on federal law and proceeds to review the federal question. The Oklahoma appeals court's opinion did not clearly dispel this ambiguity.
- On the merits, the Court applied the Napue standard — drawn from Napue v. Illinois (1959), which held that the Due Process Clause is violated when a prosecutor knowingly allows false testimony to go uncorrected. A new trial is required if there is any reasonable likelihood the uncorrected lie affected the jury's verdict. Oklahoma's own attorney general joined Glossip in asserting that this standard was violated, and the Court found the record fully supported that concession.
- The record established both that Sneed's testimony was false and that the prosecution knew it. Sneed denied ever seeing a psychiatrist and claimed he did not know why he had been given lithium. But jail medical records and an affidavit from the prescribing psychiatrist confirmed Sneed had been diagnosed with bipolar disorder and given lithium as psychiatric treatment. The lead prosecutor's own pre-trial interview notes — referencing 'Dr. Trumpet' (her phonetic rendering of 'Trombka,' the jail psychiatrist) alongside 'lithium' — showed she had discussed Sneed's treatment with him before trial.
- The false testimony was material — meaning it could reasonably have affected the verdict — for two reasons. First, Sneed was the only direct evidence of Glossip's guilt; his credibility was necessarily decisive, and revealing that he lied under oath would have significantly undercut the prosecution's case. Second, evidence that Sneed suffered from bipolar disorder — a condition that could trigger violent impulses when combined with his admitted drug use — would have dismantled the prosecution's central trial theme: that Sneed was a passive, non-violent 'Rottweiler puppy' incapable of acting without Glossip's direction.
- The Oklahoma appeals court's contrary holding rested on two mistaken grounds. It concluded that no violation occurred because the defense was already generally aware Sneed had taken lithium. But Sneed's lie concerned the reasons for his prescription — seeing a psychiatrist — not simply the fact of taking the drug. More fundamentally, the constitutional duty to correct false testimony rests on the prosecution, not the defense. With ample record evidence supporting the attorney general's confession of error, the Court found no need for further fact-finding and reversed, ordering a new trial.
Doctrinal impact
Cases affected by this decision
Reaffirms Napue v. Illinois (360 U. S. 264)
Reaffirmed that prosecutors must correct false testimony, and applied the rule to order a new capital trial.
Reaffirms Michigan v. Long (463 U. S. 1032)
Presumption that ambiguous state court opinions rest on federal law was applied to establish jurisdiction here.