Patrol DivisionPatrol Division: (815) 942-0336 The Patrol Division is the backbone of the Sheriff’s Office. Newly commissioned Deputies begin their law enforcement career in this Division upon successfully completing the 640 hour Basic Law Enforcement Training at one of the eight Basic Law Enforcement Academies, throughout the state of Illinois. Four shifts comprised of sixteen patrol Deputies and four patrol Sergeants are assigned to the street. Patrol is conducted in the unincorporated areas of Grundy County and also within several municipalities that have contracts for this service. This Division operates 24 hours per day, 7 days per week.