According to: word-detective.com/091400.html
No one is exactly certain....the words "to cop" meaning to lay hold of or capture - other theories hold that it is a reference to the copper badges worn in England in the 1800's.
Again, just theories - no one really knows.
Cop comes from Copper from the copper badge they wore.
In American English, "cop" is the slang term for a police officer. It and also be used to mean grab, as in "to cop a feel".
Cop
The word you're looking for is likely "flic," which is a slang term for a French police officer.
In British slang, "cop" can refer to a police officer. The term is often used informally and can sometimes carry a playful or derogatory connotation, depending on the context. Additionally, "to cop" can mean to catch or obtain something, such as "to cop a look" or "to cop a deal."
Slang for police - cop
No its not its just another word for cop(s)
Corn on the cop.
Flic is a French term used to describe a French police officer (slang word being cop). The 'dictionary' online website states that the slang word was used from 1895-1900.
A beat cop is a police officer who patrols the streets on foot.
bobby
There are many synonyms for police. For example: bobby, constable, cop, flatfoot, officer, patrolman, and many more. Modern slang also includes: Po-Po. SEE: http://thesaurus.reference.com/the?q=police&search=search
LE Officer = Law Enforcement Officer = Police = Cop