Click on the following links. Please note these will open in a new window.

Exclusionary Rule
http://legal-dictionary.thefreedictionary.com/Exclusionary+rule

Fruit of the Poisonous Tree
http://legal-dictionary.thefreedictionary.com/Fruit+of+the+poison+tree

Entrapment
http://legal-dictionary.thefreedictionary.com/Entrapment