Illinois Grand Jurors are citizens of the state of Illinois who serve on a grand jury. A grand jury is an independent body of citizens empowered by the state to investigate criminal matters and to determine whether there is sufficient evidence to bring a criminal charge against a suspect. Grand jurors in Illinois are selected from the pool of registered voters in the county in which the grand jury is convened. Grand juries in Illinois are convened by the Circuit Court of each county. There are two types of grand jurors in Illinois: regular grand jurors and special grand jurors. Regular grand jurors are randomly selected from the pool of registered voters in the county and are typically sworn in for a term of one year. Special grand jurors are appointed by the court and are typically sworn in for a term of six months. The duties of Illinois Grand Jurors include hearing evidence presented by prosecutors, questioning witnesses, and voting to indict or no-bill a criminal suspect.