Commonwealth v. Halley , 582 Pa. 164 ( 2005 )
Commonwealth v. West , 883 A.2d 654 ( 2005 )
Commonwealth v. Scott , 952 A.2d 1190 ( 2008 )
Commonwealth v. Burton , 973 A.2d 428 ( 2009 )
Johnson v. Mississippi , 108 S. Ct. 1981 ( 1988 )