The word you are looking for is corruption.
Abuse of Authority
This type of police corruption is known as "individual or personal gain corruption." It involves officers seeking personal benefits such as money, gifts, or favors in exchange for using their authority for personal gain.
Warwickshire Police Authority was created in 1995.
Metropolitan Police Authority was created in 2000.
Metropolitan Police Authority ended in 2012.
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Independent Police Conduct Authority was created in 1988.
Scottish Police Services Authority was created in 2007.
authority means that it can be a comic or jokes and it can be a police
Police Complaints Authority - United Kingdom - was created in 1985.
Police in the US get their authority from the people who elect the legislators who enact the laws which include the authority to uphold them.