Polygraphs: Nothing but the truth? 

Posted: 1:00 am Mon, May 25, 2009
By Michelle Lore

Photo: Bill KlotzWhen should you advise your client in a criminal matter to take a police-administered polygraph test? Never, say knowledgeable criminal defense lawyers. Lie detector results are not admissible in criminal trials under Minnesota caselaw finding that their reliability has not been established. However, suspects may say potentially incriminating things during a police-administered test ...