How does the IRS freeze accounts when the IRS buildings have burned to the ground?
Have you taken into account in your planning that the agents who will do the freezing will mostly likely do so with a laptop from some other off-site, unidentified facility? Granted, if you are successful with your assaults on the IRS buildings they will probably gum up the works of the DemonRat administration, for a time at least. Starve the beast. I like it.