The document discusses three Supreme Court cases relating to the Eighth Amendment and equal protection under the law: 1) Glossip v. Gross - The Court upheld Oklahoma's use of lethal injection, but the first drug may not prevent pain from the subsequent drugs. This allows unequal treatment of inmates across states. 2) Brumfield v. Cain - The Court found an inmate could challenge a finding that he was not intellectually disabled, but there is no agreed definition for this. Determining disability was put to a majority vote. 3) Davis v. Ayala - The Court ruled against a claim of racial bias in jury selection, but exclusion of jurors could still be an "harmless error." It