Lewandowski's apartment as he headed down to the studio).

Following his interview with Bash on Monday, Lewandowski went straight from the set and into a meeting with CNN executives according to a separate source who witnessed Lewandowski enter the meeting.

Though CNN is often the target of Trump's insults, Trump has a history with CNN president Jeff Zucker. Trump's reality show "The Apprentice" premiered on NBC in 2004, when Zucker was president of NBC's television group. In an interview with POLITICO earlier this month, MSNBC's Joe Scarborough said Trump had once called Zucker his "personal booker." (CNN declined to respond to Scarborough's comments.)

Minutes after news broke of Lewandowski's hiring, Trump sent two tweets attacking CNN for a piece they did fact checking his comments about Hillary Clinton's refugee plan.

"CNN, whichhis firing, Lewandowski only spoke glowingly about Trump and continued to tout the candidate's message.

"It's been an honor and privilege to be part of this," he told Bash the day he was fired.

Lewandowski is not the first former high ranking campaign operative to join a cable network soon after departing the campaign. Rick Tyler, formerly Sen. Ted Cruz's communications director, joined MSNBC four days after being fired for posting on social media a story which claimed that Sen. Marco Rubio insulted the Bible (the story turned out to be inaccurate).

Tyler said in an interview he also signed an NDA but that he did not have a problem with honoring the agreement considering he was still loyal to Cruz after his departure.

"Corey seems to be really where I was;