NEW: A grand jury in Fulton County has returned an indictment -- Judge Robert McBurney did not read out the names of the defendants and it has now been taken down to the clerk's office
UPDATE: The indictment unsealing process is officially underway.
Watch live on @MSNBC - we have cameras following nearly every step of this process as it unfolds.
NEW: Judge Robert McBurney tells the courtroom: "The convoy is mobile" -- presumably referring to the grand jury return being walked over from the grand jury room inside the Fulton County DA's office to the courthouse