David Pecker, a friend of Mr Trump who is chief executive of the publishers of the "National Enquirer" tabloid magazine, has also reportedly been given immunity by NY prosecutors.
It was a bruising week for Trump, with a trio of men who are intimately familiar with his secrets and business dealings now cooperating with prosecutors.
As the president exited Washington for a day trip to OH on Friday, a White House official said Trump was unhappy with what he perceived as disloyalty but far from melting down.
Calls and emails to the Trump Organisation to reach Mr Weisselberg and general counsel Alan Garten were not immediately answered.
The U.S. attorney's office in Manhattan referred to - but didn't charge - the Trump Organization this week in its case against Cohen, suggesting federal prosecutors have already stepped past what the president has said is a red line for him. The other two executives are the President's elder sons Donald Trump Jr. and Eric Trump.
Ohio State coach Urban Meyer suspended for three games
White said the compliance department would have been in the best position to assess whether to conduct an internal investigation. In June, 2016, Meyer had Zach Smith attend drug rehab for addiction to a stimulant prescription drug used to treat ADHD.
The issue of whether a sitting president can be indicted has not been tested, though Trump allies point to two previously written legal opinions that weigh in against the prospect. "Did they come out of the campaign?" He said during his plea that his actions were directed by President Trump.
Mr Weisselberg, who has been at Mr Trump's side for four decades, is also treasurer of the Trump Foundation, the family charity under investigation for misuse of...
Mr. Trump has denied any wrongdoing in relations to the hush money payments, arguing that campaign finance violations aren't actually crimes. "I have never gone anywhere with Donald". He said recently he knew about payments "later on".
It is the latest fallout from the wider inquiry launched by Special Counsel Robert Mueller in May 2017 into suspected collusion between the Trump election campaign and Russian Federation. And Trump's sensitivity to questions about his business extends to his personal income, which he has steadfastly refused to detail by breaking from tradition and shielding his tax returns from public view.
The White House official insisted that West Wing staffers continue to keep their heads down and do their jobs. Trump has denied having sex with either woman.
As the negative news mounted throughout the past week, allies also expressed frustration with the lack of a coordinated pushback effort.