Criminal law is a branch of public law that regulates crime and punishments. Criminal law is divided into general and private criminal law. Criminal general law examines the definition of the concept of crime with its material and spiritual elements, the general principles that govern the criminal law, the penalties for crimes, the rules that apply to all crimes such as the reasons that reduce and eliminate punishment. Criminal private law, on the other hand, takes actions deemed to be crime one by one and examines the scope and boundaries of the crimes, their separating aspects and the penalties foreseen for these crimes. The criminal branch investigating how to conduct a criminal investigation and trial, and? Criminal procedure law? It called.