What is the last step when supervising detainee operations? Answer: The last step when supervising detainee operations is to conduct an after-action review. An after-action review (AAR) is a structured process that allows for a systematic evaluation of the performance of a team or organization after a task or mission is completed. In the context of supervising detainee operations, an AAR provides an opportunity for the supervisors to evaluate the effectiveness of the detention procedures, identify any issues or problems that arose, and develop plans for improvement. During an AAR, the supervisors should gather feedback from all personnel involved in the operation, including officers, medical staff, and support personnel. The supervisors should also review any documentation and evidence related to the operation, and conduct a thorough analysis of the results. The purpose of conducting an AAR is to learn from the operation, identify improvements, and apply those changes to future detainee operations. It is an essential step in the continuous improvement of detention procedures and ensures that operational effectiveness is maximized. By conducting AARs, supervisors can ensure that their detention operations are conducted safely, humanely, and in compliance with all applicable laws and regulations.