Lopez v. US
1963, 1995 used commerce clause, The government argued that possession of a firearm in a school zone leads to violent crime, which would affect the general economic condition by limiting travel in the area. The government also stipulated that the presence of firearms in a school zone would prevent people from learning effectively due to the constant fear of violent crime, leading to a weaker economy.
Weeks v. US
194 is a case in which the United States Supreme Court held unanimously that illegal seizure of items from a private residence constitutes a violation of the Fourth Amendment.1 It also set forth the exclusionary rule that prohibits admission of illegally obtained evidence in federal courts.2
Wolf v. Colorado
(1949) was a United States Supreme Court case in which the Court held 6-3 that the Fourteenth Amendment did not impose specific limitations on criminal justice in the states, and that illegally obtained evidence did not necessarily have to be excluded from trials in all cases.
Mapp v. Ohio
was a landmark case in the area of U.S. criminal procedure, in which the United States Supreme Court decided that evidence obtained in violation of the Fourth Amendment protection against "unreasonable searches and seizures" may not be used in criminal prosecutions in state courts, as well as federal courts.
Exceptions to Warrant Requirements
SEARCH- S: Stop n frisk, E: Emergencies, A: Arrests, abandoned property, airline or border searches R: Right in plain view C:Cars, consent H: hot pursuit
