People v. Evans , 87 Ill. 2d 77 ( 1981 )
People v. Grayson , 58 Ill. 2d 260 ( 1974 )
People v. Frias , 99 Ill. 2d 193 ( 1983 )
In Re Stephenson , 67 Ill. 2d 544 ( 1977 )
Robinson v. California , 82 S. Ct. 1417 ( 1962 )
Solem v. Helm , 103 S. Ct. 3001 ( 1983 )