there are three levels of criminal 

ESRI, (n.a.). GIS Dictionary, Retrieved fromhttps://support.esri.com/en/other-resources/gis-dictionary/term/69d9b932-d1be-4558-bb0f-ebca02292b31

Manhattan Community Board 1. (2017, May). Livability Index: A comparison of the Quality of Life across NYC’s Community Districts to help Community Boards better serve their residents. Retrieved fromhttp://www1.nyc.gov/assets/manhattancb1/downloads/pdf/studies-and reports/july2017-cb1-livability-index-study.pdf