
Former White House attorney Ty Cobb worked in the White House during a bulk of Trump's presidency, affording him specialized insight on the former president's comings and goings during that time, and the effect they've had on the GOP. In 2018, Cobb stepped away after clashing with Trump over what CNN phrased as Trump's "combative posture" towards Robert Mueller's investigation into the possibility of Trump being in cahoots with Russia.
"Ty was uncomfortable with the Mueller tweets," a source said to CNN. "He was not going to be 'part of a mud-slinging campaign,' another anonymous source added.