This really just boils down to a local version of this: https://en.m.wikipedia.org/wiki/Administrative_subpoena Administrative subpoena. This is common practice all over the country. Funny that they quote a former NYC prosecutor who seemingly forgot that the NYC district attorney offices issue self-generated pieces of paper saying "subpoena" on them, too. Must have slipped his mind. The only problematic part of this…
This is almost certainly not true, it's not just a lie its 'fraud' at best.
Your inability to distinguish between a document signed by a judge and one that is not doesn't automatically imply that it is fraudulent.