Verkkosuch excluded warrants are still considered active with the intent to serve by the chesterfield county police department or the chesterfield county sheriff's office. Verkkocenter for the study of intelligence (csi) the world factbook. An arrest warrant is not necessary in emergency situations (e. g. , when a suspect is fleeing) or when an officer has probable cause to believe. Verkkoa search and seizure is considered unreasonable if it is conducted by police without a valid search warrant, and does not fall under an exception to the warrant. Verkkoto obtain a warrant, a police officer typically submits a written affidavit to a judge or magistrate. The affidavit, given under oath, must recite sufficient factual information.