Read on to find out how this critical law can make a difference in your criminal case. The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated.1. Capitalized words in this Amendment have the same meaning as in the Agreement. 2. This Fourth Amendment activity is based on the landmark Supreme Court case Brendlin v. California, dealing with search and seizure during a traffic stop. The Fourth Amendment is the part of the Bill of Rights that prohibits "unreasonable searches and seizures. " But — what's unreasonable? The Fourth Amendment's rule against unreasonable searches and seizures mean the police cannot search you or your vehicle unless one of the following is true. 4th 709, the trial court imposed a sentence that made defendant eligible for parole in 175 years. (Nunez II, supra, 195 Cal.App.