Describe how the court system functioned in order to arrive at a decision in this case. What is the function of the court system, and what were the process steps that the court system followed? In this case, the courts followed the policies and procedures related to a sanctuary city. The agencies were not able to detain the individual even though he has previous convections that were declared violent. Due to these policies, the individual cannot be imprisoned like a U.S citizen even though the individual served time in a federal prison for entering the U.S. illegally