Fruit Of The Poisonous Tree Doctrine. The principle that evidence obtained for a criminal trial through an illegal search or illegal interrogation of a witness is tainted and therefore inadmissible against the defendant because it violates the guarantee. The logic of the terminology is that if the source (the tree.
The poisonous fruit of a tree is when evidence collected illegally is connected to other crimes is found the defendant cannot be charged with those crimes. The logic of the terminology is that if the source (the tree. Concerns about the fruit of the poisonous tree have led law enforcement agencies to train their representatives extensively in the protocols of there are some cases in which evidence normally considered inadmissible under the fruit of the poisonous tree doctrine may be accepted by the court. The legal definition of fruit of the poisonous tree doctrine is bars the admission of physical evidence and live testimony obtained directly or indirectly through the exploitation of unconstitutional police conduct.
One loophole is the purged taint exception, which applies if the.