Amendment sought to codify into law the current limited "good faith" exception for searches with warrants that was created in the 1984 Supreme Court case of United States v Leon which says that evidence is generally not excluded if it was obtained in "good faith" reliance on a warrant; and codify the current limited "good faith" exception for searches that was created in the Supreme Court case of Illinois v Krull which says that evidence is generally not excluded if it was obtained in "good faith" reliance on a statute which was later held to be unconstitutional.