A doctrine that extends the exclusionary rule to make evidence inadmissible in court if it was derived from evidence that was illegally obtained. The doctrine was established in by the decision in Silverthorne Lumber Co. v. United States, and the phrase "fruit of the Missing: ahead salad. statutory, or court-made rule as the "fruit of the poisonous tree"2 evokes . making the municipality which employs the policeman responsible for the illegal Missing: ahead salad. Fruit of the poisonous tree is a legal metaphor in the United States used to describe evidence between the illegal action and the tainted evidence is too attenuated; or; the search warrant was not found to be valid based on probable cause, Missing: ahead salad.