Document Type

Blog Post

Publication Date



The FourthAmendment protects the right of the people—us—against unreasonable searches, seizures, and warrantless conduct by government actors—police officers. The Supreme Court has added safeguards to this amendment, with the seminal cases of U.S. v. Weeks and Mapp v. Ohio. The Court created the exclusionary rule, which excludes evidence obtained in violation of the Fourth Amendment from criminal trials. Initially designed as a multifaceted legal mechanism to uphold judicial integrity, deter police misconduct, and serve as a remedy for those who are victims of constitutional violations. The deterrent value was meant to help protect the public at large—especially those who are innocent of any wrongdoing—from being subject to such illegal searches and the deadly consequences they may present.

Files over 3MB may be slow to open. For best results, right-click and select "save as..."