The exclusionary rule prohibits the government from using illegally obtained evidence to prove a criminal defendant's guilt. Also, the Fourth Amendment provides that warrants shall not be issued to law enforcement officers unless probable cause exists.Standing To Contest The Search: Fourth Amendment. The Fourth Amendment requires the government to obtain a warrant based on probable cause to conduct a legal search and seizure. The Fourth Amendment requires "probable cause" for the issuance of a search warrant. According to the Court, "Subjective intentions play no role in ordinary, probable-cause Fourth Amendment analysis" (id. To require him to open his doors to the officers of the law. See Camara v Municipal Court, 387 U.S. 523 (1967). Kris wanted to head in the other direction, towards Manhattan. She started back up the steps again but then stopped.