Qualifications General Acceptance in the Particular Field Worthy of Note. Worthy of Note. Admissibility of Polygraph Evidence. Worthy of Note. Per se rule of exclusion does not violate Sixth and Fourteenth Amendment rights to present evidence.
Many jurisdictions allow polygraphs pursuant to the discretion of the trial court.
In practice, most courts exclude polygraph testimony under this approach. Admissible by Stipulation. Parties must agree to circumstances of test and its subsequent admissibility. Confessions before, during and after polygraphs are generally admissible.