The Exclusionary Rule is controversial. Critics say it sets criminals free on “t

The Exclusionary Rule is controversial. Critics say it sets criminals free on “technicalities.” However, the U.S. Supreme Court has relied on three justifications for the Exclusionary Rule. Please list and explain them.
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There are three exceptions to the “Fruit of the Poisonous Tree” Doctrine. What are they and provide an explanation of each.
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The criminal complaint (the document that formally charges the defendant with specific crimes) authorizes judges to conduct the first appearance. Judge complete four tasks at the first appearance. What are they?
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Two procedures test the government’s case against defendants: preliminary hearings and grand jury review. Please explain the two procedures and how they differ.