Advise on how to approach lawmakers who oppose a particular issue, and express a wish for justice to be served through legal proceedings.
Stand your ground, tell them to F off and wait until Mueller has completed all of his indictments.  Then, if any of these rats are still in office, tell them to get an order from the Supreme Court and a warrant to serve the order.  These jerks will either be in prison or dead by that time (maybe both).