'If, however, Director Brennan’s statement is purely political and based on conjecture, the president has full authority to revoke his security clearance.'

'I find it a little rich that he’s out there now bemoaning abuse of power when clearly he, at the helm of the CIA, abused his power.'

'Communist John Brennan never should've had a security clearance.'

'He spied on American citizens and lied in front of Congress about that spying,' Tata said on 'Fox & Friends' Thursday.

'Our nation is not innocent in the field of manipulating other nations, and that certainly includes Russia.'

'You know, John Brennan started out his adulthood by voting for the Communist Party presidential candidate.'

'This is a level of criminality beyond the pale.'

A deep dive into what has been made known from public sources and Congressional investigators has placed the unofficial start of the investigation no later than March 2016.