Answer the following questions in totality. Use citations where needed and to back up statements made.

1) In a hierarchical structure of management, can another supervisor give an order to a subordinate that is not under their direct chain of command? Explain why or why not.

2) The three levels of policing in the US can seem confusing to some. What are the three levels, and define their roles.

3) What is the is the progressive era of policing? What does this term mean?

4) Who was August Vollmer? What did he create?