The instruments used in the punishment of criminals in medieval Iran

The barbarian people who came to Iran in the middle centuries, and sometime later came to power, despite the claims of protecting and respecting the Shari'a, did not adhere to the teachings of Islam in protecting the rights of others, especially the opposition, in practice. It is noteworthy that this approach was not only taken by them, and rival groups and other actors in the field of politics practically took such a course, and on that basis, a huge amount of the means of punishment in the religious political conflicts of Iran was used at that time.Therefore, this research seeks to answer the main question why and how these tools were used to punish the guilty and innocent ones!  In order to answer this question, the authors, using descriptive-analytical method and using library resources, first of all investigated the type and manner of using punitive instruments, and then their degree of conformity with the Shari'a doctrines and their application in the course of the intended period were reviewed