Wandersmann wrote on Sep 5^th, 2016 at 6:12pm:

Are parolees and sex offenders incarcerated or denied parole based solely on results of polygraph exam?  If so, isn't this unconstitutional and denial of due process?

NO -- because parole is not a right.

Allowing you to serve anything less than the period of your court-imposed sentence is a gift from the judiciary, and may be offered subject to any captious conditions whatsoever. A convict can be legally and constitutionally denied parole even for administrative convenience e.g. because there is no room on the prison transport bus.