In the light of the very public spat between the rapist and the meglomanic, I would anticipate there being a number of Attorneys General contacting Musk's lawyers for depositions from Musk in relation to the activities of DOGE.
Investigators and prosecutors will know from experience that former spouses, former business partners, former employees and other ex's, can be a goldmine of information. Any loyalty that may have been held towards the person or organisation of interest, may have evaporated in the acrimony, thus making the ex significant to finding the where the bodies, financial or otherwise, are buried.
If Musk is found not to have been properly appointed, all his activities under DOGE could be outside the law. Leaving the orange rapist's administration facing thousands of additional lawsuits from "fired" employees and probably facing very hefty compensation claims.
The ex bros. Could actually be quite fitting given Musk's rebranding of some of his financial ventures.