If prison was an option, it would have already happened. They will get away with it. Dems aren't going to be able to break this administration. They will just ignore congress. What will congress do?
What's happening in Brazil right now should give people pause about thinking that an interregnum with someone left-ish in power trying to restore normality will reset things to a saner state.
These are people totally willing to burn the crops and salt the fields. Trump could die tomorrow and a thousand heads would pop up looking to benefit from the anger and resent.