What is evidence law and what is its purpose?

For this weeks discussion please answer the following the questions. 1) What is evidence law and what is its purpose? 2) Why is the Fourth Amendment to the U.S. Constitution particularly important to evidence law? 3) In your opinion, what other Amendment or Amendments are highly important to evidence law, and why? These discussions are worth 20 points each and will be graded on form and content. Because this is an online setting these discussions offer an excellent opportunity to be engaged in the class. Discussion responses must be thought-provoking, well thought out, and at least 250 words in length.