what type of jury is subjected to voir dire
Jury selection Selected jurors are generally subjected to a system of examination whereby both the prosecution (or plaintiff, in a civil case) and defense can object to a juror. In common law countries, this is known as voir dire. Voir dire can include both general questions asked of an entire pool of prospective jurors, answered by means such as a show of hands, and questions asked of individual prospective jurors and calling for a verbal answer. In some jurisdictions, the attorneys for the parties may question the potential jurors; in other jurisdictions, the trial judge conducts the voir dire.
History of trial by jury in England In the 12th century, Henry II took a major step in developing the jury system. Henry set up a system to resolve land disputes using juries. A jury of twelve free men were assigned to arbitrate in these disputes. Unlike the modern jury, these men were charged with uncovering the facts of the case on their own rather than listening to arguments in court. Henry also introduced what is now known as the "grand jury", through his Grand Assize. Under the assize, a jury of free men was charged with reporting any crimes that they knew of in their hundred to a "justice in eyre," a judge who moved between hundreds on a circuit. A criminal accused by this jury was given a trial by ordeal. Under the jury, the chances of being found guilty were much lower, as the king did not choose verdict (or punishment).