They will search a bag if they think there is probable cause.
The jury must determine if a crime has been committed and if there is probable cause to indict the accused.
The hearing will determine whether there is sufficient evidence that crimes have been committed and whether there is probable cause to believe that Holtzclaw committed them.
Although a grand jury may be guided by a prosecutor, it alone decides in secret if there is probable cause to charge someone with a crime.
"The court believes there is probable cause for the crimes of which he is accused," judge Lena Egelin said in a statement to the court.
The grand jury is considering if there is probable cause that Wilson committed a crime and whether to press charges against him.
But he may waive his right to a scheduled preliminary hearing, in which a judge will determine whether there is probable cause to try him.
A hearing in federal court will be held in January to determine whether there is probable cause to go forward with the charges.
The case will now go before a district judge, who will determine if there is probable cause to send the officers to trial.
The test is whether there is probable cause to believe that the person being communicated with is an agent of a foreign power or a terrorist.
