Colorado v. Connelly

In this case, the Supreme Court of Colorado held that the United States Constitution requires a court to suppress a confession when the mental state of the defendant, at the time he made the confession, interfered with his “rational intellect” and his “free will.” Because this decision seemed to conflict with prior holdings of this Court, we granted certiorari. 474 U. S. 1050 (1986). We conclude that the admissibility of this kind of statement is governed by state rules of evidence, rather than by our previous decisions regarding coerced confessions and Miranda waivers. We therefore reverse.

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