This article deals with the content and form of legal behavior in a State of law. An author's interpreta- tion of the concept of the rule of law. Conclusion that the content of the conduct of all types, including crimi- nal behavior, otherwise wrongful, seemingly «neutral» and positive, is it an objective party and form-mentalside. We investigate errors and irregularities, on the one hand, actors, and lawyer. Examines the nature ofthe prosecution and acquittal of gradients, line of legality in the application of the law. Proposals to improve legislation.