Discuss the following:

1. The origin of the exclusionary rule

2. The exceptions to the exclusionary rule and what they entail

3. The role of the exclusionary rule for evidence obtained in an improper search

4. The role of the exclusionary rule for evidence obtained as a result of a violation of the Miranda rule

5. The "good faith" test from United States v. Leon (1984) when it is applied to a search warrant or an arrest