The role of the police all over the world has been traditionally seen within the basic context of: the prevention and detection of crime, Protection of life and property and the Preservation of peace and good order. Today, although these roles have not changed, the police in all societies must broaden their outlook in order to appreciate their role as one which embraces not merely the enforcement of law, but which also takes into account the social, economic, and political constraints of the environment in which they operate.
The Police Department must serve many roles and purposes so they also must take care of any issues that arise, dealing with the law or public safety. For this reason they have different specialized concentrations of officers designed to carry out certain functions. This also varies according to jurisdiction where there are state, local and even federal jurisdictions. This also affects what are their basic roles while doing patrol work or carrying out the specialized detail for whatever function they need enforced.
In the United States the mission of law enforcement is to maintain the public safety, by reducing the occurrence of crimes on society. To accomplish this responsibility, many roles must be played by police officers. By enforcing the laws, police help preserve peace, by providing service, they help prevent crime and by apprehending offenders, they enforce the laws.
They perform all these functions by following five basic responsibilities. Enforce the law, to effectively do so all officers must know the law and understand the community’s needs to what laws are important. Arrest offenders, upon identifying individuals who are breaking the law, the officer must attempt to apprehend that individual in the safest way for both their own safeties. Prevent crime, by anticipating crime risk and reducing