About Law Enforcement Law enforcement is any system by which some members of society act in an organized manner to enforce the law by discovering, deterring, rehabilitating, or punishing people who violate the rules. Law Enforcement officer such as Sheriff's or Police engage in patrols or surveillance to find criminal activity. Although law enforcement may be most used for prevention and punishment of crimes. “Law Enforcement.” Wikipedia , Wikimedia Foundation, 14 Apr. 2018, en.wikipedia.org/wiki/Law_enforcement.