Robert J Costello, scheduled to appear before New York grand jury on Monday, likely to question Trump accuser’s credibility

The grand jury is considering a case against the former president over hush money paid to ex-porn actress Stormy Daniels. The case may see criminal charges brought against Mr Trump. Mr Costello has been called by Mr Trump's legal team to discredit previous testimony by Mr Cohen.

Mug shot? Perp walk? Fingerprinting? Here’s how it could go down if Manhattan District Attorney Alvin Bragg brings charges.

Attorney Robert Costello, once a legal adviser to Trump attorney Michael Cohen, will appear Monday before the New York grand jury investigating the former President Donald Trump's alleged role in a scheme to pay hush money to adult film star Stormy Daniels.

Mr Trump posted on his own platform, Truth Social, that he expects to be arrested on Tuesday as part of Manhattan District Attorney Alvin Bragg’s grand jury investigation into a $130,000 hush money payment he is accused of making to the porn star in 2016 via his then-lawyer Michael Cohen in exchange for her silence about an affair the couple are alleged to have had a decade earlier.

Attorney Robert Costello, a former legal adviser for Michael Cohen, is planning to testify at the request of former President Donald Trump’s lawyers before the grand jury in New York, a source with direct knowledge told NBC News.

A lawyer called to testify behind closed doors in New York may challenge the claims of a key witness before a grand jury decides whether to charge Donald Trump over hush money paid to a porn star.