This post has been updated.

The presidential campaign of Rep. Michele Bachmann (R-Minn.) is refusing to pay five Iowa staffers and asking that they sign non-disclosure agreements, a former campaign aide has alleged. 

Peter Waldron, who served as Bachmann's national field coordinator, says that the former employees were repeatedly told they would be paid. But long after the campaign ended, still without their payments, he says they were asked to sign non-disclosure agreements that would prohibit them from discussing any immoral, unethical or criminal behavior with the media, the police or an attorney. "This agreement came out of left field," he said.