Last week, following a series of reports on The Blotter, Mahoney confirmed that he had hired one of his mistresses for his Congressional staff and that he was also carrying on an affair with a Florida county official who sought his help with a federal grant.

But a document obtained by ABC News reveals new allegations of threatening behavior and sexual harassment toward a female staffer, that go far beyond Mahoney's public confession, including claims that he urged one of his mistresses to serve as a "tease" for big donors.

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