False imprisonment is the unlawful confinement of a person without his or her valid consent. (1) A person is guilty of unlawful imprisonment if he or she knowingly restrains another person.(2) Unlawful imprisonment is a class C felony. State Law Claims: Washington State law also provides remedies for wrongful detention. If you are dealing with issues pertaining to kidnapping or false imprisonment, do not hesitate to contact a Spokane criminal defense lawyer from our firm. If you are a victim of false imprisonment, you can file a lawsuit seeking damages. The answer is complicated, but there are certain lawsuits you can file to pursue damages for being falsely arrested in Washington. Been the victim of a wrongful arrest in Washington and need to discuss your options moving forward? You can not sue for false imprisonment for being found not guilty at trial but later found guilty on appeal. Been the victim of a wrongful arrest in Washington and need to discuss your options moving forward?