The Oak Creek Police Department is a law enforcement agency that protects the lives and properties of citizens and visitors, prevents crime and disorder, and safeguards personal liberties. The department maintains a K-9 unit that handles cases related to drug intervention, tracking and searches for persons, and evidence. It operates an emergency response unit that responds to high-risk situation, such as barricaded subjects in a residence, community emergency evacuations, and search and rescue operations. The Oak Creek Police Department supports a police aide program that includes patrolling neighborhoods and apartment complexes, assisting officers in booking offenders and checking police department equipment. In addition, the department investigates cyber, sexual assault and credit card theft crimes.