Black Jack City Hall, 12500 Old Jamestown Rd, Black Jack, MO 63033, US

Founded in 1972, the Arnold Police Department is a law enforcement agency that provides public safety services to the citizens in accordance with federal, state and local laws and ordinances. It maintains a patrol division that safeguards the city from criminal activities and traffic violations. The Arnold Police Department also responds to a variety of emergency situations. The department supports and organizes a variety of community outreach and neighborhood watch programs. It operates a traffic and accident reconstruction unit that assists police officers with traffic and parking law enforcement. Located in Arnold, Mo., the Arnold Police Department has a canine unit that searches and seizes illegal narcotics, as well as tracks missing persons and fugitives.