Please respond to the following: What elements of a police agency make it a bureaucratic organization What are the elements

Please respond to the following:
What elements of a police agency make it a bureaucratic organization? What are the elements and purposes of the basic organizational and hierarchical structure of a police agency? What is meant by the terms chain of command, unity of command, and span of control? Is a paramilitary structure still effective for police operations today? If not, identify and describe an alternative approach.