After 2016 ruling, battles over juvenile lifer cases persist

Three years after the U.S. Supreme Court offered a second chance to some 2,000 juvenile lifers, about 400 have been freed and hundreds more have shortened sentences. But most remain behind bars as the justice system wrestles with some very difficult cases.
Tensions have mounted and lawsuits have been filed in some states; in others, courts and lawmakers have moved to permanently ban life without parole for juvenile offenders.
The high court’s 2016 decision hinged partly on research showing