SeeMincey v. Arizona, 437U.S.385 (1978); Greenwald v. Wisconsin, 390U.S.519, 521 (1968) ("Considering the totality of these circumstances, we do not think it credible that petitioner's statements were the product of his free and rational choice"); Reck v. Pate, 367U.S.433, 440 (1961) ("If [a defendant's will was overborne], the confession cannot be deemed 'the product of a rational intellect and a free will"')
See e.g., Culombe v. Connecticut, 367U.S.568, 583 (1961) ("[A]n extrajudicial confession, if it was to be offered in evidence against a man, must be the product of his own free choice")