Through an Open Records Request, the Mesa Police Department shared with me their directives.
Police directives come by several interchangeable names including procedures and manuals. Basically are two types of directives for police: written and unwritten. Written directives are crafted for scenarios that are foreseeable that police may encounter. Oral directives are left for times where the scenarios are unforeseeable. It can be argued that the written directives set a self-imposed standard of care. By looking at the directives, a person will have one sign post in which to to help make a determination if which the police acted in accordance with their own standards.
Here are the Mesa Police directives (it is a large file almost 1,300 pages in length, so it is probably best to download it to a place where you can read it).
*** It is important to note police directives may be updated at any time. Thus, there may be new directives or revised directives that are not included.