Discuss the role and mission of prisons, including what a dual-purpose mission statement encompasses and why most prisons have one. Do you think prisons are successful in fulfilling their mission? Why, or why not? Your response should be at least 200 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.