Abstract: The right of fair hearing is known as a human rights international norm to protect people from denying or limiting the individuals from their freedom and human rights illegally and arbitrarily and is applicable in determining the individual rights and obligations and criminal charges against individuals. One of the fundamental rights of human nature is his right to defend in order to preserve his individual rights, justice and judicial security. This right is originated from the presumption of innocence and is one of the most basic rights expected in a government. But, recognizing the rights of the accused by the domestic law of the state and using legal mechanisms are necessary to support it but are not sufficient. Legal aspects are one aspect and the more important aspects are the personal and social benefits aspects and operational and administrative aspects. In other words, providing human rights and legitimate freedoms has its own provisions and supplies. Thus, the defense right of the accused in preliminary investigation stage is one of the important elements of the judicial security and respecting it will make the citizens relax and comfort and will cause the political, economic and cultural development.
Abbas Jalili, Sohrab Jalali, Daawoud Karimi Morid and Moness Arjomandi, 2015. Comparative Study of Rules on Preliminary Investigation Stage in Criminal Procedure Law Enacted in 2014 with International Standards of Fair Hearing. The Social Sciences, 10: 538-543.