Reading: The promise and perils of predictive policing based on big data

Go to the text:
 https://theconversation.com/the-promise-and-perils-of-predictive-policing-based-on-big-data-48366
Key words:
peril
embrace
culprits
apprehend
premise
Questions:
1.What is "predictive policing"?
2. What is the "geography" of predictive policing?
3.Who calls predictive policing- "the wave of the future"?