1.   Polygraph evidence is not permitted in most criminal trials, including those in military courts.

2.   But the Clinton administration appealed, arguing that the polygraph evidence should remain off-limits.

3.   In federal courts in Georgia, trial judges have some discretion to allow the admission of polygraph evidence.

4.   New Mexico is the only state in which polygraph evidence is routinely admitted in criminal trials.

5.   Polygraph evidence is highly controversial in courts and generally not admitted, and the judge took the matter under consideration.

6.   The case comes from the military court system, where polygraph evidence is inadmissible, by either side, under the rules of evidence.

7.   The federal government appealed, arguing there is no constitutional right to present polygraph evidence.

8.   The high court also takes a military case challenging a ban on polygraph evidence as a violation of constitutional rights.

9.   Polygraph evidence is not admissible in courts.