A Fulton County judge was removed from presiding over the Young Thug racketeering trial in Georgia on Monday, prompting defense attorneys to begin plans for a possible mistrial.

Just over two years after the indictment accusing the “Digits” rapper and five others of operating a criminal gang enterprise, the long-delayed case faces new hurdles after Fulton County Judge Rachel Krause granted a motion seeking to recuse Superior Court Judge Ural Glanville. The defense accused Glanville of showing bias toward the prosecution after it was revealed in court that he met with prosecutors and their witness, Kenneth Copeland, on June 10, the day after Copeland said he would not testify.