But life without parole would be nice
Grok:
No, the U.S. Supreme Court (SCOTUS) has not categorically barred life without parole (LWOP) sentences.
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In short, SCOTUS has narrowed but not eliminated LWOP, especially distinguishing between mandatory vs. discretionary sentences and juveniles vs. adults. For the most current application in a specific case or jurisdiction, consult legal counsel, as state laws vary.