Former CIA Director John BrennanJohn Owen BrennanWhere was American counterintelligence? Krystal Ball: Yang's MSNBC boycott shows network has 'officially lost the left' Trump predicts 'historic' conclusions from DOJ's watchdog report on 'spying' MORE confirmed on Sunday that he has not met with special counsel Robert MuellerRobert (Bob) Swan MuellerJeffries blasts Trump for attack on Thunberg at impeachment hearing Live coverage: House Judiciary to vote on impeachment after surprise delay Trump says he'll release financial records before election, knocks Dems' efforts MORE as part of the probe into alleged ties between the Trump campaign and Russia. 

"No, I have not," Brennan told Chuck Todd on NBC's "Meet the Press." 

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Brennan added that he was not surprised that Mueller has not yet reached out to him. 

"I think Mr. Mueller would have had access to CIA files that he needed. And, again, CIA's role is not to look at the activities of individual Americans by any means. But I think there's a full record there and there are individuals at the agency who can provide the insight to Bob Mueller's team that they need," Brennan said. 

Brennan is a frequent critic of President TrumpDonald John TrumpRepublicans aim to avoid war with White House over impeachment strategy New York Times editorial board calls for Trump's impeachment Trump rips Michigan Rep. Dingell after Fox News appearance: 'Really pathetic!' MORE and lashed out at the president last week on Twitter following Trump's attacks on former FBI Director James ComeyJames Brien ComeySunday Talk Shows: Lawmakers look ahead to House vote on articles of impeachment, Senate trial The Hill's 12:30 Report — Presented by UANI — Judiciary Democrats approve articles of impeachment setting up House vote next week Huckabee teases Hannity appearance, says he'll explain why Trump is eligible for third term MORE.  

Trump ripped Comey after various excerpts of his new book were released to the media last week. 

Among the anecdotes in Comey's book is the assertion that the president asked Comey to probe an alleged tape detailing one of the most salacious parts of the dossier compiled by former British spy Christopher Steele.