NEW YORK (NEWSnet/AP) — Michael Cohen once proclaimed he’d “take a bullet” for Donald Trump.

Now, after breaking with the former president amid his own legal troubles, the fixer-turned-foe is poised to testify against his old boss Tuesday as a key witness at the civil fraud trial that threatens to upend Trump’s real estate empire and wealthy image.

Trump is expected to be in court for the highly anticipated testimony, sitting in the Manhattan courtroom for a sixth day this month. All of his trips to the courtroom so far have been voluntary; he is likely to testify later in the proceedings.

Cohen has said it will be his first time seeing Trump in five years.

In this case, New York Attorney General Letitia James’ lawsuit alleges that Trump and top executives at his company, the Trump Organization, conspired to pad the business mogul-turned-politician’s net worth by billions of dollars on financial statements provided to banks, insurers and others to make deals and secure loans.

The judge, Arthur Engoron, has already ruled that Trump and his company committed fraud, but the trial involves remaining claims of conspiracy, insurance fraud and falsifying business records.

Trump denies any wrongdoing. He says his assets were actually undervalued and maintains that disclaimers on his financial statements essentially told banks and other recipients to check the numbers out for themselves.

Cohen spent a decade as Trump’s fiercely loyal personal lawyer before famously turning on him in 2018 amid a federal investigation that sent Cohen to federal prison. He is also a major prosecution witness in Trump’s separate Manhattan hush-money criminal case, which is scheduled to go to trial next spring.

James, a Democrat, has credited Cohen as the impetus for her civil investigation, which led to the fraud lawsuit being decided at the trial.

Cohen went to prison after pleading guilty in 2018 to tax evasion, lying to Congress and campaign finance violations, some of which involved his role in arranging hush-money payments to women during Trump’s 2016 campaign.

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