(in the US) As far as the 'making arrests 'and 'protecting jurors' part of the question is concerned - that would be the Sheriff's Office. As far as collecting 'court levied fines' is concerned that would be the Office of The Clerk of Court.
In some jurisdictions these duties may differ.
The Sheriff.
U.S. Marshals
True.
make arrests in federal criminal cases, hold accused persons in custody, secure jurors, serve legal papers, keep order in court rooms, and execute court orders and decisions.
The bailiff will take attendance of the jurors.
We are fresh out of qualified jurors in this county.
No, attorneys cannot serve as jurors in a trial.
No, lawyers cannot serve as jurors in a trial.
In most cases, defendants do not receive the addresses of jurors. This is to protect the privacy and safety of jurors and their families. The court typically provides limited information about jurors to both parties involved in the trial.
5 jurors
Grand jurors are called from a cross section of the public.Added; From the same pool of potential jurors that is used to call all citizens for jury service.
There were six English-speaking jurors and six French-speaking jurors in the Louis Riel trial. They were selected from the population of the Northwest Territories.