hi, i was wondering if south dakota law on polygraph if it is admissable or inadmissable in federal court? and could i get a statue number for it, or a rule, please. i have looked everywhere and came on htis site , thank goodness. a friend of mine was convicted and the poly grapn was used in court, the first time it was that he told the truth the second time was he had lied. this would have been 2004-5. thank you for any help you can give. cheyenne