Smith v. State , 267 Ark. 1138 ( 1980 )
Chapman v. California , 87 S. Ct. 824 ( 1967 )
Spinelli v. United States , 89 S. Ct. 584 ( 1969 )
Coolidge v. New Hampshire , 91 S. Ct. 2022 ( 1971 )
United States v. Leon , 104 S. Ct. 3405 ( 1984 )