In two specific cases, the exclusionary rule was created and established by the Supreme Court in these two key decisions. The impact of these rules is very important to know and it is primarily that it came into existence with the 1914 decision in Weeks v. United States and became completely applicable to the States in the 1961 case of Mapp v. Ohio” (Miller, 1987). The exclusionary rule argument concluded that “on one side is that it depends on how the rule is a protection of an individual's identity in the judiciary, the other case was that it compounds any injustice from any kind of illegal search made” (Exclusionary Rule Debate, 1979). Over the decades, the Supreme Court has constantly refined and expanded the exclusionary rule. There have been ongoing debates within the criminal justice system on the rules effectiveness and necessity really been a subject and talked about a lot. The evolution and establishment of the exclusionary rule is always debated because there's always two sides in thinking that it is very effective to have in the criminal justice system while on the other side think it's not effective and has no deterrence in trying to stop police misconduct from