Bond may be re-evaluated and raised or lowered by the judge. Grand Jury - again the purpose is to determine probable cause. The Grand Jury, rather than the judge, determines this. Evidence to the contrary is disregarded at this stage. The case is presented through witness testimony and physical evidence is introduced.
All testimony is taken separately.
The defendant and the defense attorney are not present, only the prosecutor's side of the case is presented. The Grand Jury reports these decisions three or four days after the hearing. The defendant and the defense attorney are present, along with the prosecutor and judge. Pretrial - a hearing, usually including defense attorney, prosecutor, and judge. Case is usually discussed along with the possibility of plea bargaining.