Thus, before public wrongs can be considered criminal and before a punishment can be imposed for committing them, both the public wrong and the punishment must be specifically stated in the law. Ultimately, then, the definition of crime depends on the legal definition as reflected in the written Arkansas statutes and the proscription of a specific form of behavior. Volume five of the Arkansas Code defines criminal offenses in Arkansas. The criminal law is both constant and changing. But other areas of the law are in flux.
Every legislative session produces additions and alterations in the existing criminal code.
Wadsworth Publishing Company, page 5.