Gal Pissetzky and Vicki Podberesky said Mr Abbas stopped communicating with them and has now retained new lawyers to defend him in the case.
The lawyers announced their decision after months of negotiations with the U.S. government, court documents obtained by PREMIUM TIMES (not ABN TV) showed.
In June 2020, the Instagram big boy, known for flaunting his opulent lifestyle on social media, was arrested in Dubai by special operatives, including a joint team of the Dubai Police and Federal Bureau of Investigation (FBI).
The FBI, according to an affidavit, said Mr Abbas financed his extravagant lifestyle with proceeds of crime.
He is alleged to be the leader of a mafia behind computer intrusion, business email compromise (BEC) fraud and money laundering.