It is a defense to the action that the employee of the library detaining the person had probable cause to believe that the person had committed library theft. These rules shall govern the procedure in all criminal cases in the courts of this state except juvenile court cases.I was arrested for DUI and I registered 00 on the breathalyzer and no other evidence was found. Can I sue the state highway patrol for false arrest? Filing a false police report in Utah is a Class B misdemeanor offense, with penalties that can include fines and jail time. False imprisonment is the unlawful detention of an individual against their will. Where a false arrest has the intent to arrest, false imprisonment doesn't require this intent. What's wrong with having Utah police enforce federal immigration laws? An officer must either have a warrant or reasonable suspicion that a person has committed or is about to commit a crime (probable cause). Books and magazines are available through the Jail Library.