The mission of Downers Grove Police Department of Downers Grove, IL, U.S.A, is to enhance the public health and safety of the community by being ... See more committed to building trust through the delivery of efficient, professional and caring services. Through the commitment to its mission statement, the members of the Downers Grove Police Department ensure the proper, lawful and unbiased application of police powers in accordance with federal, state and local laws. The department recognizes and respects the rights and principles that are embodied in the Constitution of the United States.