State Supreme Court
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82 State Supreme Court Cases
Nevada Supreme Court
Aug 2025
Capital Punishment
Ybarra v. Warden
This case presents the question of whether the execution of a capital defendant with serious mental illness violates Article I, section 6 of the Nevada Constitution, which prohibits cruel or unusual punishment. The ACLU’s Capital Punishment Project and State Supreme Court Initiative, along with the ACLU of Nevada, filed an amicus brief arguing that a plain reading of Article I, section 6 of the Nevada Constitution provides broader protections than the Eighth Amendment and should be interpreted to establish a categorical exemption from execution for this population.
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Nevada Supreme Court
Aug 2025
Capital Punishment
Ybarra v. Warden
This case presents the question of whether the execution of a capital defendant with serious mental illness violates Article I, section 6 of the Nevada Constitution, which prohibits cruel or unusual punishment. The ACLU’s Capital Punishment Project and State Supreme Court Initiative, along with the ACLU of Nevada, filed an amicus brief arguing that a plain reading of Article I, section 6 of the Nevada Constitution provides broader protections than the Eighth Amendment and should be interpreted to establish a categorical exemption from execution for this population.
Minnesota Supreme Court
Jul 2025
Free Speech
Energy Transfer LP v. Greenpeace International, Unicorn Riot
This case in the Minnesota Supreme Court asks whether the MFFIA's protections apply to newsgatherers even if they are alleged to have engaged in trespassing while newsgathering. The ACLU’s State Supreme Court Initiative, alongside the ACLU of Minnesota and law firm Biersdorf & Associations, filed a brief representing Unicorn Riot, a media organization that covered protests of the Dakota Access Pipeline. The brief argues that MFFIA and constitutional reporter’s privileges, under both the U.S. and Minnesota constitutions, protect Unicorn Riot from having to comply with Energy Transfer’s subpoenas.
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Minnesota Supreme Court
Jul 2025
Free Speech
Energy Transfer LP v. Greenpeace International, Unicorn Riot
This case in the Minnesota Supreme Court asks whether the MFFIA's protections apply to newsgatherers even if they are alleged to have engaged in trespassing while newsgathering. The ACLU’s State Supreme Court Initiative, alongside the ACLU of Minnesota and law firm Biersdorf & Associations, filed a brief representing Unicorn Riot, a media organization that covered protests of the Dakota Access Pipeline. The brief argues that MFFIA and constitutional reporter’s privileges, under both the U.S. and Minnesota constitutions, protect Unicorn Riot from having to comply with Energy Transfer’s subpoenas.
Wisconsin Supreme Court
Jul 2025
Civil Liberties
+2 Issues
State v. K.R.C.
This case asks whether a 12-year-old boy was in custody and entitled to Miranda warnings during a closed-door police interrogation by a school resource officer in the school building. The court of appeals held that he was not in custody, not entitled to Miranda warnings, and voluntarily incriminated himself. The ACLU’s State Supreme Court Initiative and the ACLU of Wisconsin filed an amicus brief arguing that admitting the boy’s statements into evidence not only violated the Fifth Amendment to the U.S. Constitution but Article I, Section 8 of the Wisconsin Constitution, and urging the Wisconsin Supreme Court to rest its decision on the state charter to better protect Wisconsinites’ civil liberties.
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Wisconsin Supreme Court
Jul 2025
Civil Liberties
+2 Issues
State v. K.R.C.
This case asks whether a 12-year-old boy was in custody and entitled to Miranda warnings during a closed-door police interrogation by a school resource officer in the school building. The court of appeals held that he was not in custody, not entitled to Miranda warnings, and voluntarily incriminated himself. The ACLU’s State Supreme Court Initiative and the ACLU of Wisconsin filed an amicus brief arguing that admitting the boy’s statements into evidence not only violated the Fifth Amendment to the U.S. Constitution but Article I, Section 8 of the Wisconsin Constitution, and urging the Wisconsin Supreme Court to rest its decision on the state charter to better protect Wisconsinites’ civil liberties.
Iowa Supreme Court
Jun 2025
Criminal Law Reform
State v. Hidlebaugh
This case asks whether it violates equal protection principles to impose a prison sentence, instead of probation, based on a defendant’s inability to purchase a house. The ACLU’s State Supreme Court Initiative and the ACLU of Iowa filed an amicus brief arguing that imposing a harsher sentence based on a criminal defendant’s inability to purchase a home impinges on the equal protection guarantees in the Fourteenth Amendment of the U.S. Constitution and article I, sections 1 and 6 of the Iowa Constitution.
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Iowa Supreme Court
Jun 2025
Criminal Law Reform
State v. Hidlebaugh
This case asks whether it violates equal protection principles to impose a prison sentence, instead of probation, based on a defendant’s inability to purchase a house. The ACLU’s State Supreme Court Initiative and the ACLU of Iowa filed an amicus brief arguing that imposing a harsher sentence based on a criminal defendant’s inability to purchase a home impinges on the equal protection guarantees in the Fourteenth Amendment of the U.S. Constitution and article I, sections 1 and 6 of the Iowa Constitution.
Michigan Supreme Court
Jun 2025
Criminal Law Reform
State v. Fenderson
This case asks whether the government can elicit inculpatory statements from a defendant by giving him misleading information about his rights and applying coercive pressure, then using the statements against him in a criminal case. The ACLU’s State Supreme Court Initiative and the ACLU of Michigan filed an amicus brief arguing that such actions by the government violate a defendant’s rights under the Fifth Amendment to the U.S. Constitution and, independently, Article 1, Section 17 of the Michigan Constitution, which affords even broader protections against self-incrimination than the Fifth Amendment.
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Michigan Supreme Court
Jun 2025
Criminal Law Reform
State v. Fenderson
This case asks whether the government can elicit inculpatory statements from a defendant by giving him misleading information about his rights and applying coercive pressure, then using the statements against him in a criminal case. The ACLU’s State Supreme Court Initiative and the ACLU of Michigan filed an amicus brief arguing that such actions by the government violate a defendant’s rights under the Fifth Amendment to the U.S. Constitution and, independently, Article 1, Section 17 of the Michigan Constitution, which affords even broader protections against self-incrimination than the Fifth Amendment.