Nevada law requires police to obtain a search warrant before searching your home, vehicle or person, unless an exception to the warrant requirement exists. The burden is on the defendant to prove the illegality of any search executed with a search warrant.Section 1.1 for noknock arrest warrants. 49. Existing law requires search warrants to contain certain information. Article 1, Section 18 of the Nevada Constitution and the Fourth Amendment of the United States Constitution both prohibit unreasonable searches and seizures. Constitutional amendments: Procedure; concurrent and consecutive amendments. 1. The court then set out a three-part test that must be satisfied in order to ensure that warrantless searches of closely regulated businesses remain reasonable. A search warrant may issue only on affidavit or affidavits sworn to before the magistrate and establishing the grounds for issuing the warrant. The Fourth Amendment requires the government to obtain a warrant based on probable cause to conduct a legal search and seizure. However, the Supreme Court has carved out numerous exceptions to the warrant requirement, as explained below.