Former CIA Director John BrennanJohn Owen BrennanOvernight Defense & National Security — US, Israeli defense chiefs discuss Iran US ends combat mission against ISIS in Iraq, but troops remain This Thanksgiving, skip the political food fights and talk UFOs instead MORE suggested in an interview Tuesday that he "wouldn't be surprised" if special counsel Robert MuellerRobert (Bob) MuellerAn unquestioning press promotes Rep. Adam Schiff's book based on Russia fiction Senate Democrats urge Garland not to fight court order to release Trump obstruction memo Why a special counsel is guaranteed if Biden chooses Yates, Cuomo or Jones as AG MORE hands down additional indictments at the end of the week, though he acknowledged he does not have inside knowledge.

Brennan said on MSNBC's "The Last Word" that he believes Mueller wants to hand over the threads of his investigation to prosecutors in the Southern District of New York and elsewhere.

"I wouldn't be surprised if, for example, this week on Friday, not knowing anything about it, but Friday is the day the grand jury indictments come down," Brennan said.

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The former CIA chief, who served during the Obama administration and has since emerged as a fervent critic of President TrumpDonald TrumpNorth Korea conducts potential 6th missile test in a month Kemp leading Perdue in Georgia gubernatorial primary: poll US ranked 27th least corrupt country in the world MORE, added that Mueller may take into account that the following Friday, March 15, coincides with the Ides of March.

"I don't think Robert Mueller will want to have that dramatic flair of the Ides of March when he is going to be delivering what I think are going to be are his indictments, the final indictments, as well the report he gives to the attorney general," Brennan said.

He added that if Mueller indicts any members of the president's family, it would likely be his final act as special counsel.

Mueller has implicated six former Trump associates and dozens of Russians in his investigation into Russian interference in the 2016 election.

None of the charges have alleged conspiracy between the Trump campaign and Moscow, and the president has regularly decried Mueller's probe as a "witch hunt."