SuperMom1995
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You're right that a passed polygraph would not be taken as something to alone clear someone who may be a suspect. It may however open up the investigation and point away from a suspect.
LE cannot tell someone that they cleared as a suspect because they passed a polygraph and then later come back to them and say, "oops, we lied, really you failed, and you're under arrest now". A defense attorney would have a heyday with actions of that nature.
I'm looking up the statutes as they relate to admissibility of polygraphs in the State of Colorado. In some states a polygraph can be introduced into evidence by the defense, and a judge can rule it admissible in a trial itself.
I will come back with links in regard to polygraph statutes in CO and post them in a separate comment.
Again I am behind - we are living in my parents old house that hasn't seen any paint in 30 years and my one and only child is graduating HS this May so I am painting every room myself to get ready for a big graduation party for her, so I am checking in as much as I can (I work at least 50 hours during the week) and I apologize if questions have already been answered prior to me posting one.
This is in response to statements made about the polygraph being inadmissable in a court of law so why look at it at all?
A polygraph is admissable in a case:
To impeach a witness ( showing they said one thing in poly but another on the stand;
As character witness bc what was said on poly bolsters the defendants character;
To show how a witness story developed;
In a sentancing hearing;
If both parties stipulate the poly can be admitted;
In a bench trial;
And more... Here is the link: http://www.lbierman.com/alternativeapproach.html