statute is unconstitutional because it calls for a mandatory death sentence to be imposed. Roberts v. Louisiana, Louisiana's new death penalty statute is unconstitutional because it calls for a mandatory death sentence for a large range of crimes. Coker v. Georgia, A death sentence may not be imposed for the crime of rape. Enmund v. Florida, A death sentence may not be imposed on offenders who are involved in a felony during which a murder is committed but who do not actually kill, attempt to kill, or intend that a killing take place. Ford v. Wainwright, A death sentence may not be imposed on defendants who are deemed to be legally insane. Tison v. Arizona, The death penalty is an appropriate punishment for a felony murderer who did not intend to cause the death, but was a major participant in the underlying felony and exhibited a reckless indifference to human life. McCleskey v. Kemp, Evidence of a "racially-disproportionate impact" in the application of the death penalty indicated by a comprehensive scientific study is not enough to invalidate an individual's death sentence without showing a "racially discriminatory purpose." Breard v. Greene, The International Court of Justice does not have jurisdiction in capital punishment cases that involve foreign nationals. Atkins v. Virginia, A death sentence may not be imposed on mentally retarded offenders, but the states can define what it means to be mentally retarded. Roper v. Simmons, A death sentence may not be imposed on juvenile offenders. Baze v. Rees, The three-drug cocktail used for performing executions by lethal injection in Kentucky (as well as virtually all of the states using lethal injection at the time) is constitutional under the Eighth Amendment. Kennedy v. Louisiana, The death penalty is unconstitutional in all cases that do not involve homicide or crimes against the state such as treason. Glossip v. Gross, The Eighth Amendment requires prisoners to show 1.) there is a known and available alternative method of execution and 2.) the challenged method of execution poses a demonstrated risk of severe pain, with the burden of proof resting on the prisoners, not the state. Bucklew v. Precythe, 587 U.S. ___ (2019), Baze v. Rees and Glossip v. Gross govern all Eighth Amendment challenges alleging that a method of execution inflicts unconstitutionally cruel pain. When a convict sentenced to death challenges the State's method of execution due to claims of excessive pain, the