<p>There are numerous exceptions to policemen giving warrants. For example, police do not have to have a search warrant in order to search a �person and their belongings if the person has been lawfully arrested. Another example is when the evidence is in plain view, the police can take and use the evidence without needing a warrant. Or if a suspect gives the police permission to search anything of his/hers, a warrant is not needed. In any case where police have probable cause or reasonable ...