Former Michael Cohen adviser: 'He told me he had nothing on Trump,' Stormy NDA was 'his idea'

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Robert Costello, a former legal adviser to Michael Cohen, told America's Newsroom that he believes he should be called to testify, that the Trump trial grand jury did not get all the information they needed and that some jurors might have "Trump derangement syndrome."

Costello, who represented Cohen at the start of the federal investigation, has been released from his attorney-client confidentiality agreement so he is able to discuss the case.

He joined Bill Hemmer and Dana Perino Thursday to explain that Manhattan District Attorney Alvin Bragg's team didn't want to see or hear exculpatory information that he provided.

Before Costello testified before the grand jury, he said he gave Alvin Bragg's assistant DA's the courtesy of about an hour and a half Zoom conference, where he told them the exculpatory material that he said was supposed to be put before the grand jury.

MICHAEL COHEN FACES CROSS EXAMINATION FROM TRUMP LAWYERS IN NEW YORK CRIMINAL TRIAL

"But, when I appeared before the grand jury, they were asking me questions that in my opinion, and I've been a federal prosecutor myself, I was deputy chief of the criminal division in the Southern District of New York, those questions they were asking me were not going to elicit the exculpatory information that I had," he said.

"I