Obtaining of causation between act and result, in particular in case of a multiplicity of causes especially in the premise of multiplicity of factors and instruments is one of the most difficult issues in the criminal law and civil responsibility. When multiple people at different times (longitudinal) are involved in the felony and a relatively long period of time is created between the interveners' behavior and the result of it (such as murder), this subject appears as a serious problem and sometimes as an unsolvable dilemma. Penal code act of 1392 has also mostly attempted to provide solutions under certain conditions instead of offering a clear criterion. Accordingly, in the case of intervention of direct multiple individuals in the same...