You’re asking all the right questions.
Some of the answers lie in the process of how any group forms itself, from a corporation to a nonprofit. The funding in my view and preference should be self-funding by say retirees or financially independent persons. Yes, such persons still exist.
As for the interaction with a court system, the grand jury would file with a court for recognition as a bona fide grand jury and with a prosecutor’s office to compel prosecution, no different that any other grand jury.
Of course, such a filing would be challenged so the grand jury organizers would have to have legal counsel ready to dismiss and appeal as necessary based on the Scalia ruling.
This thread is put out there to spread the word in conservative legal communities of another pathway available via Scalia and the Supreme Court decision in the US v. Williams case referenced above. Because as it is now, the conservative legal community is doing nothing but complaining about the FBI and DOJ intransigence. And they should expect that the FBI and DOJ will do NOTHING to prosecute Clinton, Lynch, Comey, McCabe and others.
What you and others can do is to spread the word on, let’s call it. “Scalia Grand Juries”. Spread the word when you call in to Limbaugh or any talk show host, Hannity, Tucker, social media, Twitter, etc. Keep pushing the word out there until the right ears hear it and commit to seeing it through.
I would think Mark Levin would jump all over this.
The funding is still a big hurdle, and legitimizing the process will undoubtedly have to go all the way to the Supreme Court, that may take years.
Also the other side will then also want to set up their grand juries investigating our side.
So the thing may degenerate into a free for all of dueling grand juries calling every one under the sun that knows anyone with influence and power and subjecting them to charges of perjury or worse.
The results of this could be a real draining of the swamps on both sides, or a state of scary permanent inquisition where everyone is walking on eggshells.
Not trying to throw cold water on the idea, just thinking out loud on possible ramifications...