Two categories are mentioned by Foster, a primary and a secondary. Primary, he mentions being the patrol of a police department, as we would discuss in class, he states that the backbone of the agency is the patrol. The secondary is what happens during or after the patrol, that is to say the investigation and the youth. It adds personnel and auxiliary or technical personnel to the support function of the organizational structure. Staff responsibilities involve recruiting new employees, providing trainers to train new ones and introducing new information to those already in the police force. Auxiliary support's responsibility involves taking care of the jail, property, evidence, communications and records, Foster said. He continues to write that in large law enforcement agencies, strictly enforced policies and procedures exist and should be across all agencies. It describes policies as statements of expectations required by the agency and procedures as how instructions are carried out step by step. He also writes that rules are about behaviors and regulations with emphasis on