State v. A.O.

Four hours after learning that police suspected him of raping his girlfriend’s ten-year-old daughter, defendant sought to clear his name by agreeing to take a lie-detector test. Though polygraph evidence is generally inadmissible, defendant, without counsel, signed a stipulation before submitting to the exam in which he not only agreed to take the test but also (1) agreed that the polygraph examiner was an expert at his craft, (2) waived any objection to the admissibility of the expert’s testimony, (3) waived the right to call another expert or witness about that evidence, and (4) agreed that…