People v. Edwards , 195 Ill. 2d 142 ( 2001 )
People v. Daugherty , 102 Ill. 2d 533 ( 1984 )
People v. Mahaffey , 165 Ill. 2d 445 ( 1995 )
Strickland v. Washington , 104 S. Ct. 2052 ( 1984 )