In your own words, via a Reaction Paper (Maximum 3 Paragraphs), and per the Video, explain how GIS usage has directly impacted the concept of combating crime, essentially in any jurisdiction.

Video URL: https://www.youtube.com/watch?v=5bkzZKbfhr8. 

extracting information primarily from minutes 34:27 to 43:30 from former Police Commissioner McCarthy, please write a One page Single spaced with Normal margins- Reaction Paper, based on the information you interpreted from him