Massiah rule. The principle that an attempt to elicit incriminating statements (usu. not during a formal interrogation) from a suspect whose right to counsel has attached but who has not waived that right violates the Sixth Amendment. Massiah v. United States, 377 U.S. 201, 84 S.Ct. 1199 (1964). See DELIBERATE ELICITATION.
[Blacks Law 8th]