Whether the sentencing protections afforded in Miller v Alabama should be applied to defendants who are emerging adults 18 to 20 years old

QUESTION PRESENTED Whether the sentencing protections afforded in Miller v Alabama, 567 US 460 (2012) should be applied to defendants who are emerging adults18 to 20 years oldat the time they commit a crime and who are convicted of first-degree murder and sentenced to mandatory life without parole? i