The Rebel Jedi Who Trained Dooku as a Sith Behind Yoda's Back

Count Dooku wasn't originally trained in the dark ways of the force as a Sith by Emperor Palpatine. It was actually a rebel Jedi. In this episode we see how Count Dooku had two masters when he was a padawan, Master Yoda and a Jedi with an unbelievable amount of knowledge about the Sith who took it upon themselves to teach the young and idealistic Jedi in the dark arts that would later consume him and lead to his demise. Who was this Jedi and what were their motives? You'll have to listen to find out.