Contents of Complaint. A person commits a misdemeanor of the second degree if he knowingly restrains another unlawfully so as to interfere substantially with his liberty.The plaintiff's claim in a warrantless false arrest lawsuit arose from a sheriff s deputy s visit to her house to check on the welfare of her daughter. If you consent to detention, without duress, you may not later claim you were falsely imprisoned. A charge of false imprisonment or kidnapping in Pennsylvania is serious; why you need an experienced attorney handling your case. Police officers do not have unlimited power to arrest citizens. The complaint in the case is entitled "Complaint in Trespass for false imprisonment". If a warrant has not been issued for the "Defendant's" arrest you should take your copy of that. A false arrest is an arrest that is made without probable cause or a valid warrant. Filing a private criminal complaint in no way guarantees that criminal charges will be filed.