More than 2,000 inmates in the U.S. are serving mandatory no-parole sentences because of crimes they committed as teenagers.
Seven months after the Supreme Court struck down no-parole sentences for teens, parole remains an issue in many states.
There's a decision pending from the Pennsylvania Supreme Court. The Missouri Supreme Court is hearing arguments in February. Illinois appeals courts have ruled in favor of prisoners, Florida appellate courts have said no.
In Michigan, a federal judge has ruled that last year's high court decision applies retroactively -- and inmates serving no-parole sentences for murder committed as juveniles are entitled to a chance at release.
The state's attorney general is considering an appeal.