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. The Fourth Amendment, however, is not a guarantee against all searches and seizures, but only those that are deemed unreasonable under the law.Fourth Amendment violations: Illegal searches and seizures sometimes cause physical injury, emotional injury, or property damage to an innocent bystander. They do legal research and write motions and memoranda on issues ranging from the Fourth Amendment to juvenile delinquency law. Fill out a DVD request form. Cocaine was discovered in the course of a booking search. MSC-18-02219 (Contra Costa County Super. Daniel Horowitz defends gun owners in criminal cases and civil lawsuits. He thinks out of the box and into the Constitution. Contra Costa County.