State v. Tutlewski

¶ 1. Under Wisconsin law, a witness may not testify that another physically and mentally competent witness is telling the truth. 1 1n the present case, David C. Tutlewski contends that this rule was violated when a State's witness testified that the complaining witness and her husband were incapable of lying. We conclude that this testimony was inadmissible because it invaded the province of the jury. We therefore reverse Tutlewski's judgments of conviction and the order denying postconviction relief and remand for a new trial.

Background

¶ 2. On January 28, 1997, at approximately 7:00 a.m.,…