Stormy Daniels's attorney has pumped the brakes on prosecutors' efforts to investigate a hush-money payment from President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's personal attorney, Michael Cohen.

The Wall Street Journal reported that Michael Avenatti has slowed prosecutors' attempts to speak with Daniels's former attorney about the hush-money deal, and also requested to review records subpoenaed from the adult-film star's former manager.

The investigation into Cohen centers around possible campaign finance violations and bank fraud stemming from a $130,000 payment to Daniels in 2016, just weeks before the presidential election.

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Daniels alleges that she had an affair with Trump in 2006. The payment — and a related nondisclosure agreement — was intended to prevent Daniels from speaking publicly about the alleged affair.

Trump has denied that he ever had a sexual relationship with Daniels.

The Journal reported that Avenatti has not yet acted on prosecutors' requests for Daniels to waive attorney-client privilege so that investigators can speak with her former lawyer Keith Davidson.

Avenatti also sent a cease-and-desist letter to Davidson in April demanding that he not release any records related to Daniels, one source told the Journal.

Avenatti also tried to prevent Daniels's former manager, Gina Rodriguez, from turning over communications to prosecutors until he reviewed them, the Journal reported.

The reported moves by Avenatti have frustrated prosecutors, although they are not seen as damaging or discrediting to the probe.

Avenatti insisted that he and his client have "cooperated fully" with federal investigators, and that any claim otherwise is false.

“We have already started producing documents to the government so any suggestion we are not cooperating is meritless," he told the Journal. He also said that he had told Davidson to stop communicating about Daniels, because Avenatti believed he was "conspiring behind her back with Mr. Cohen."