Miller V. Alabama (2012)
Definition
US Supreme Court ruling prohibiting mandatory life-without-parole sentences for offenders who were under 18 at the time of their offence, on the basis that mandatory schemes prevent individualised consideration of the mitigating qualities of youth.
- Year
- 2012
- Court
- US Supreme Court
- Key Holding
- Mandatory life-without-parole sentences unconstitutional for juveniles under 18
- Retroactive Effect
- Yes, via Montgomery v. Louisiana (2016)
Common questions
What did Miller v. Alabama decide about sentencing juvenile offenders?+
The US Supreme Court ruled that mandatory life-without-parole sentences are unconstitutional for offenders who were under 18 at the time of their crime. The Court held that judges must consider the individual circumstances and mitigating qualities specific to each young offender, not apply an automatic sentence.
Why did the Court rule that mandatory sentencing for juveniles violates the Constitution?+
The Court reasoned that mandatory sentences prevent judges from considering how youth itself affects criminal responsibility and culpability. Young people's brains are still developing, particularly the frontal lobe regions governing impulse control and judgment. This developmental reality must be part of sentencing, not set aside by rigid rules.
Does Miller v. Alabama apply to past sentences already given?+
Yes. Montgomery v. Louisiana (2016) extended Miller retroactively, meaning people sentenced under mandatory schemes before the ruling could seek resentencing with individualized consideration. This ensures the decision applies to prior cases as well as new ones.
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Explained in these topics
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- Juvenile Forensic Psychology: Miller v. Alabama and the JJ Act 2015US Supreme Court ruling prohibiting mandatory life-without-parole sentences for offenders who were under 18 at the time of their offence, on the basis that man...
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