Whether the Texas Court of Criminal Appeals' rejection of petitioner's Eighth Amendment and Due Process Clause claims—based on uncontested evidence that the Director of Texas's prison system unnecessarily uses compounded pentobarbital that has been left to degrade into non-lethal degradants known to cause pain—conflicts with this Court's holding in Glossip v. Gross that an inmate need only show "a substantial risk of severe pain" rather than prove that an Eighth Amendment violation has already occurred.

Whether the Eighth Amendment prohibits the use of degraded, unstable lethal injection drugs that pose a substantial risk of causing severe pain during execution