Evaluation of criminal investigations of death in prisons' cases in light of international principles and standards.

In human rights documentations, due to importance of the convicted and arrested people’s physical health right, standards like as promptness in investigation, its independence as well as participation of complainants in the course of investigation are considered. However, in fact, some criminal systems by creating several systematic challenges limit the access to justice of next of the kin and victims of death in custody. Marginalizing of the families and victims’ lawyers through the secrecy of investigation, lack of independent organizational structures for investing and as a whole creation of obstacles and disruptions in the path of effectiveness investigation, confront the uncovering of the facts in these cases with fundamental challenges. The main question of current article is to what extent the prevalent standards related to criminal investigation are accepted in Iran criminal justice system. The results of this article show us there is a meaningful difference between the cases that the criminal system is the exclusive authority for investigation in compare of the cases there are some additional committees for that.