But detention officials decide whether inmates serve in solitary confinement, according to law enforcement officials, and allies of Mr. Manafort have said he is there for his own safety.
Mr. Weissmann is a longtime senior Justice Department prosecutor who specializes in prosecuting financial crimes and turning defendants into cooperating witnesses.
“Wait until it comes out how horribly & viciously they are treating people, ruining lives for them refusing to lie,” Mr. Trump wrote on Tuesday.
Earlier this month, he tweeted: “The inner workings of the Mueller investigation are a total mess.
They are screaming and shouting at people, horribly threatening them to come up with the answers they want.”.
Mr. Manafort’s legal team had long kept Mr. Trump’s lawyers abreast of developments in his case under a joint defense agreement.
Mr. Giuliani said last month that the president’s lawyers had agreements with lawyers for 32 witnesses or subjects of Mr. Mueller’s 18-month-old investigation. »