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Brief of Juvenile Law Center as Amici Curiae in Response to Report of the Special Master
This brief argues that proposed bail reforms fail to address youth vulnerabilities. It recommends a presumption of indigence for youth in adult bail proceedings, citing their limited financial capacity and unique harms from detention.
Brief of Amici Curiae, Current and Former State Prosecutors, State Attorneys General, DOJ Officials, U.S. Attorneys, and Former Corrections Directors—In Support of Plaintiffs
Missouri offers parole to youth sentenced to life after 25 years. This process must assess maturity and rehabilitation, which promotes public trust and safety while upholding due process.
Brief of Amici Curiae Oregon Justice Resource Center and Oregon Criminal Defense Lawyers Association
The brief argues that lifetime imprisonment for juveniles, even with parole eligibility, is unconstitutional. It asserts that adolescent brain development means such sentences fail to serve the purposes of punishment.
Proposed Amicus Brief of the Sentencing Project in Support of William N. Palmer
Amici argue that mandatory life sentences for juveniles convicted of kidnapping violate the Eighth Amendment and the California Constitution's ban on cruel or unusual punishment.
Brief of Amici Curiae in Support of Petitioner O.G.
The brief argues that S.B. 1391 aligns with the historical intent of Proposition 57 by reducing the number of youth tried in adult courts. It asserts the amendment furthers the initiative's purpose and voter intent.
Brief of Amici Curiae Former Judges, Current and Former Prosecutors, Law Enforcement Officers, Juvenile Justice Officials, Correctional Officers, and Probation Officers in Support of Petitioner
The brief argues a trauma-informed approach is the constitutional standard of care for detained children. It asserts the district court erred by not applying this standard to alleged mental health care failures.
Brief of Amici Curiae, Current and Former State Prosecutors, State Attorneys General, DOJ Officials, U.S. Attorneys, and Former Corrections Directors—In Support of Plaintiffs
Missouri's parole system for youth serving life sentences aligns with Miller by assessing maturity and rehabilitation after 25 years. This process is crucial for public trust and safety, ensuring due process for release consideration.
Brief of Amici Curiae Children and Family Justice Center et al. in Support of Defendant-appellee
The brief argues that mandatory life without parole for young adults, especially those under 21, is unconstitutional. It states their developing brains make them less culpable, similar to the rationale for minors.
Brief of Juvenile Law Center as Amicus Curiae in Support of Appellant Tyshon Booker
This brief argues that youth matters in sentencing, meaning children are less culpable than adults. Courts must consider a child's age before imposing harsh adult sentences.
Brief of Amicus Curiae Julie A. Gallagher, Psy.D ABPP in Support of Appellant Tyshon Booker
The brief argues that juveniles are fundamentally different from adults, based on adolescent brain development and psychology. This difference means juveniles should have a chance for release based on maturity and rehabilitation.
Brief of Amicus Curiae Amicus Populi in Support of Respondent
This brief argues that sentencing juvenile murderers to life without parole should be based on objective current facts, not predictions of future "irreparable corruption.
Brief for Amicus Curiae the American Civil Liberties Union Foundation, the ACLU of Mississippi, the American Conservative Union Foundation, the Rutherford Institute, the R Street Institute, and Larry W. Yackle in Support of Petitioner
The brief argues that sentencing a child to life without parole requires a finding of permanent incorrigibility. This position is based on previous rulings that most children are capable of change.
Brief of Amici Curiae National Association of Criminal Defense Lawyers, Mississippi Office of the State Public Defender, and Mississippi Public Defenders Association in Support of Petitioner
This brief argues that sentencing a juvenile to life without parole is unconstitutional without a finding of permanent incorrigibility. It claims that current state practices often fail to ensure this critical determination.
Amicus Curiae Brief of the Equal Justice Initiative in Support of Petitioner
This brief argues that a law preventing 14- and 15-year-olds from being tried in adult court aligns with Proposition 57. It cites scientific research on adolescent development to support keeping young teens in the juvenile justice system.
Brief of Amici Curiae Children and Family Justice Center et al. in Support of Defendant-appellee
This brief argues that mandatory life without parole for emerging adults is unconstitutional. It asserts that developmental science shows individuals beyond age 18 share characteristics that reduce culpability.