Former White House ethics chief Walter ShaubWalter Michael ShaubTrump breaks with precedent on second night of convention Democratic senators call for ethics review into Ivanka Trump's Goya tweet Chris Cuomo blasts Trump over photo with Goya products: 'In the middle of a pandemic, they're selling beans' MORE said Sunday that the “disintegration” of the Trump administration “is accelerating,” warning that “you haven’t seen anything yet.”

“The disintegration of this administration is accelerating,” Shaub, a prominent critic of President TrumpDonald John TrumpPolice say man dangling off Trump Tower Chicago demanding to speak with Trump Fauci says he was 'absolutely not' surprised Trump got coronavirus after Rose Garden event Biden: Trump 'continues to lie to us' about coronavirus MORE, tweeted.

“This was inevitable from the day he refused to divest his conflicting interests & confirmed that his presidency would have nothing to do with public service,” he added.

ADVERTISEMENT

“If you think this week was crazy, you haven’t seen anything yet.”

Shaub’s tweet follows a week of turmoil in Washington that culminated in the departure of top Defense officials and a Christmas partial government shutdown. The former ethics official publicly clashed with Trump over his business interests before resigning in the first months of Trump's presidency, and recently joined federal ethics watchdog group Citizens for Responsibility and Ethics in Washington.

After Trump announced an unexpected plan to pull remaining U.S. troops out of Syria, declaring that “we defeated ISIS,” Defense Secretary James MattisJames Norman MattisJohn Kelly called Trump 'the most flawed person' he's ever met: report Biden courts veterans amid fallout from Trump military controversies Trump says he wanted to take out Syria's Assad but Mattis opposed it MORE resigned, followed by Brett McGurk, the presidential envoy to the fight against the Islamic State in Iraq and Syria (ISIS).

And lawmakers failed to reach a deal to fund the government past the Dec. 21 deadline, sending the government into a partial shutdown set to last through Christmas.

The impasse was centered around Trump’s demands for borer security funding, with the White House standing by its demand for $5 billion in funding for a U.S.-Mexico border wall.