The exclusionary rule prevents the government from using most evidence gathered in violation of the United States Constitution. The exclusionary rule applies to evidence gained from an unreasonable search or seizure in violation of the Fourth Amendment, as ruled in Mapp v. Ohio (1961), and to improperly elicited self-incriminatory statements gathered in violation of the Fifth Amendment, as ruled in Miranda v. Arizona (1966). Here's the Oyez page on Mapp v. Ohio. If a police officer searched your house, found a kilo of cocaine underneath your pet Gila monster, but did not have a warrant to search your house, because of the exclusionary rule, this illegally obtained evidence could not be used against you in a court preceding.
AP Studio Art - Now draw the Exclusionary Rule. Take 10 or 20 seconds. That’s all you need. Nothing fancy. Don’t expect a masterpiece. Draw with symbols or stick figures if you wish or just cut and paste images that work. Now Look at your drawing. Say the name of the term. You’ve got it. That’s all.