Why do conservatives think that if liberals get away with a crime then conservatives get a free pass to commit a crime?

I didn't realize our entire due process and justice system gave people of different ideologies a pass to commit a crime. Because that is what conservatives do every time they are under fire for a crime. Like overthrowing the government on Jan 6th doesn't count for all that looting black lives matter did in 2020. Or trump is facing fraud charges, but what about Hillarys emails!!! I didn't realize our justice system gives out free passes to commit a crime.

Why do conservatives think that if liberals get away with a crime then conservatives get a free pass to commit a crime?
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