Why wasn't there a Polygraph Test ? Sexual Assault and rape of a Miner. Everybody get involved

Why wasn't there a Polygraph Test ? There has been a Sexual Assault of a Child. All the symptoms and mimics came out from the child. Police unable to find evidence closed the case. If mother and father would of taken the polygraph test. The mother would have past and father would of failed. San Jose court gave custody to the incest pedophile.

Please click on the link below.

http://www.change.org/petitions/everybody-please-help-cristelle?pe=d4e