730 ILCS 125/13

Whenever the Warden of any jail shall have in his custody any person charged with a high crime, and there is no jail in his county, or the jail is insufficient, he may, with the advice of the judge of the circuit court of such county, employ a sufficient guard, not exceeding 3 persons, for the guarding and safe keeping of such committed person in his own county. The expense of such guard shall be audited and paid as other county expenses.