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Caitlin Prenzlow 1. California v. Greenwood
 * Billy Greenwood was arrested for illegal substances.
 * wanted to determined whether or not it was a legal search.
 * the police went through his garbage that was on the curb to be picked up for trash day and they found illegal substances
 * the supreme court ruled that it was legal and they didn't need a search warrant for the garbage because it is in plain view for everyone in the public to see.
 * they also agreed that it was not in violation of the 4th ammendment.
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2. New Jersey v. TLO
 * TLO was caught with drug paraphernalia in her purse.
 * wanted to see if it was in violation of 4th and 14th ammendments.
 * it wasn't and they said that the principal had the reasnableness to look in her purse because she had rolling paper in her purse.
 * it was evident that she was in violation of the law with the drugs so they abandoned their requirement for probable cause.
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3. Mapp v. Ohio
 * dolree mapp was convicted of having illegal things in her house.
 * they found these things when they illegally searched her house for a fugitive.
 * the supreme court ruled that they couldnt use this evidence against her because they didn't have a search warrant.
 * there also is an exclusionary rule.
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4. Where is a search warrant necessary??
 * a search warrant is necessary to get things related to a crime.
 * you have to have probable cause to get one.
 * a renters landlord needs the police to get a search warrant.
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5. Where is a search warrant unnecessary??
 * you dont need a warrant when you are in your car if the officer has probable cause.
 * if anything is out it the open and visible to the public.
 * if you give consent to a search of your things.
 * a hotel room because it is not a house.
 * a search incident to arrest.
 * protective sweep search.
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6. Exclusionary Rule:
 * the exclusionary rule is when an illegal search and seizure happens.
 * they will toss out the evidence because there was not a warrant when it took place.
 * the only thing that prevents that from happening is if its in "good faith".
 * "good faith" is when an officer thinks that the it is still in force or maybe it was a bad warrant but they belived it covered everything they got it is still included.
 * a couple of examples of cases are Weeks v. U.S,, Mapp v. Ohio, Miranda v. Arizona, Terry v. Ohio
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