Employment Law Questions? Ask an Employment Lawyer.
A couple of ideas from past experience. Some investigators tend to become overly zealous. It may be they have begun to take a personal interest in the case for whatever reason, but even the claimed infraction if true wouldn't call for all they are demanding. What I'd suggest doing first is going to the director of the particular office of DOL and complaining about the treatment - namely requests for excessive and irrelevant information. You can generally find out who this is and how to contact them on the DOL website. For me, this has worked and resolution quickly occurred thereafter. The second idea, which I haven't tried, but would if the first option hadn't worked, is to contact your congress person because beyond going to the head of the DOL you'd then have to go to the president, which let's be realistic isn't going to do anything about a single claim.
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