Should a writ of certiorari been granted to determine if Samuel's Fifth Amendment rights were violated when he was forced to proceed to trial as the only black person in the courtroom, including jurors?

Was Samuel's Fifth Amendment right against self-incrimination violated when the prosecutor advised the jury during opening arguments that Samuel would testify during the trial?

Should a writ of certiorari be granted to review if Samuels' due process Sixth Amendment confrontation rights were violated when a witness at trial was permitted to testify as an expert without being qualified as such in violation of the Federal Rules of Evidence Rule 702?

Whether Samuel's Fifth Amendment rights were violated when he was forced to proceed to trial as the only black person in the courtroom