Fruit of the poisonous tree is a legal doctrine according to which any secondary evidence obtained indirectly through illicit means is inadmissible in court.
Examples of such sources include evidence gained through eavesdropping, illegal wiretapping, coercive interrogations, unwarranted searches or improperly conducted arrests. Information obtained from those sources is inadmissible according to the law of exclusion. The fruit of a poisonous tree doctrine is an extension to that law. Continue reading