Here we go, I took a polygraph last week and I imagine I did fine.  TOld truth, did not use any CM.  The polygraphist did not bring up any problems or any post interrogation with me, said he would "forward the report to the PD, Good Luck".  Now, I get a call from the PD telling me I have to go back and do a follow up polygraph.  What or Why??  Has this happened to anyone??  Why would they want me to go back??  If I failed, would they ask me to do it again??  I can't imagine that happening.... Please help..Thanks

Howard,

It appears that your polygraph charts have ultimately been scored as something other than "passing." The charts may have been deemed to indicate deception, but it is more likely that they were scored as inconclusive. Alternatively, you may be wrongly suspected of having employed polygraph countermeasures. (Polygraphers cannot reliably detect sophisticated countermeasures -- just as they cannot reliably detect deception -- but that does not stop them from making accusations.)

I recommend that you carefully read (and re-read) Chapters 3 & 4 of The Lie Behind the Lie Detector and take appropriate action to protect yourself against a false positive outcome.