The first con is that the exclusionary rule is not actually part of the US Constitution. Due to this there are problems with the power and effectiveness of the exclusionary rule. The exclusionary rule in some cases may not be put into place. The second con of the exclusionary rule is the fact that it can intern set a guilty person free. In some cases the exclusionary rule can actually help the accused person go free. Not only can it set the guilty people go free, but also slow down the investigation, which may allow other crimes to take