Did the general public know that Dooku was a sith?
I mean most people living within in the Independent Systems never seem to show anything that suggests they fear him. Padme was dumb enough to try to shoot him with a blaster—don't you think she'd know better if she knew he was a force sensitive? Forgive me, I'm a bit rusty on the political episodes of the clone wars, but it seems many looked up to him as a great political leader and that's it. Few other than the jedi mention anything about him being a powerful sith.
Do the people in this room know who he really is other than Ahsoka?
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Maybe the jedi want to keep his past a secret to the public so Dooku can't use his past status of a jedi to persuade people that the republic/jedi council is corrupt?