Using Official Crime Data

Research Ethics, Conceptualization, and Crime Data
After reading Chapter 3 of the Mosher textbook, “An Arresting Experiment: Domestic Violence Victim and Perceptions” by Miller, and “Controlling a Jail Population by Partially Closing the Front Door” by Baumer and Adams, discuss the following prompts: 
How Important is it to use official crime data?
What are some issues with using official crime data?
What public policy changes could be made by relying upon the 2 articles?