Your mistake is thinking the Democratic Party is trying to get members elected. Their primary goal is to keep the top brass in positions of power and then to keep their donors making money.
That second one is true of every political party, they just have different ways of going about it.
It’s not hard for the feds to illegally imprison someone. We have a political dissident illegally locked up under house arrest for bringing a lawsuit against Chevron in Ecuador.
https://en.m.wikipedia.org/wiki/Steven_Donziger