Investigating the Role of Defenseless Spaces in Violent Behaviors of Tehran in 1396

Considering the importance of preventing the occurrence of violent behaviors in Tehran, in particular, theft, strife, conflict, hacking and harassment against citizens, and investigating the factors affecting the increase in violence behavior, this study aimed to investigate the physical role of defenseless urban spaces in behaviors Violent in Tehran.In this research, the hybrid method has been used. In order to achieve violent behaviors and their occurrence, secondary analysis method has been used. For recognition of defenseless spaces and causes of differences in the type of violent behaviors, participatory observation in the amount and for analyzing the information of analytical methods and A few statistics have been used. Also, in this research, 114 mass crimes in Tehran are considered as study areas.As a result of the research, it can be said that physical factors have a significant role in predisposing spaces for the occurrence of casualties, conflicts, involvement, theft, and harassment as the four most important types of violent behaviors. Also, the physical characteristics of urban defenseless spaces in the occurrence of violent behaviors are ranked first and ranked first in the theft, in the second place on the victory in Kiev, in the third place in conflict and conflict, and in the last rank affect the harassment.