VanderSloot, who was also national co-chair of the Romney campaign’s finance committee, was described in an April 2012 Obama campaign Web posting as one of eight “wealthy individuals with less-than-reputable records.”

Shortly after the post appeared, VanderSloot was subjected to two Internal Revenue Service audits — one focusing on his personal financies, the other related to his business interests — and a Labor Department audit of one of his businesses. When asked about whether any of the other seven donors who appeared on the list were audited as well, VanderSloot spoke cautiously, but did say he “wasn’t the only one.”

“I talked to only a handful of them since,” VanderSloot said. ”I’ve reached out to all of them. But only got calls back from a handful and most of the responses were they’re just laying low, you know, they took their own beatings and they don’t want any more of it and they don’t want to even talk about this.”