IS applications and Juvenile crimes in Philadelphia

I just need a paper that ties juvenile delinquent crimes into geographical information systems applications (GIS applications)..1 page could be a map of high crime areas in phildelphia. I just need for you to explain how GIS apps could either help or decrease juvenile crimes in the city..1st briefly explain what GIS is..2nd talk about the crimes in philadelphia commited by juveniles…laslty incorperate the two and how a GIS app could better the city