Where a defendant seeks to dismiss his sentence under the “void sentence rule” established in People v. Arna, he cannot as the rule was abolished in People v. Castleberry, and because the rule was abolished rather than a new rule being substituted, the holding in Castleberry applied to collateral review.The 1st District Appellate Court affirmed the decision of Cook County Circuit Judge Kenneth J. Wadas.Raphael Rush was murdered in December 1998. His body was dismembered and concealed. In May 2004, Elvis Buford …