Tony Schwartz

Tony Schwartz also said the letter was a cry to be excused for being "every bit as evil as he has always deeply if unconsciously believed himself to be."

Tony Schwartz, who co-authored President Donald Trump's 1987 book, said the U.S. leader, his children Ivanka and Don Jr., and son-in-law Jared Kushner, should be behind bars.

Tony Schwartz, who wrote "The Art of the Deal" with Donald Trump suggests that keeping track of his truths instead of his lies would be an "easier count."

"He is a serial felon and an uncommon criminal who has not yet been brought to justice," tweeted Schwartz.

"He has no conscience, he has no guilt," Tony Schwartz said about the president.

"Art of the Deal" author Tony Schwartz told CNN that the testimony from Donald Trump's former lawyer is this presidency's Watergate scandal.

"He's a sociopath. He's sociopathic... There isn't a soul in there," Tony Schwartz said on CNN Wednesday morning.

Tony Schwartz, who helped pen "The Art of the Deal," suggested Trump may end the shutdown to deliver his State of the Union address: "It's always, always about his vanity."

"Hope Hicks is an enabler with spectacularly bad taste in men who ended up in a hell of her own making," Tony Schwartz said.

"Fear is the hidden through-line in Trump's life – fear of weakness, of inadequacy, of failure, of criticism and of insignificance," says Tony Schwartz, who co-wrote the 1987 memoir.

Schwartz says he believes Robert Mueller has got Trump dead to rights on Russian collusion.

"He's a person whose focus is very, very narrow," Tony Schwartz said.

Tony Schwartz told CNN "there's nothing Donald Trump feels more intolerable than to feel weak or potentially humiliated, or out of control."

Tony Schwartz went on a Twitter rant on Tuesday and Wednesday.

Tony Schwartz concludes that President Trump is "crazy as a personality disorder."

Tony Schwartz says the president only promises to donate—he never actually does.

The ghostwriter of Trump's best-seller says the president needs to figure out how to resign so he can "turn a loss into a victory."