H/T to reader Kirsten:

http://www.theatlantic.com/technology/archive/2012/08/in-champaign-urbana-illinois-89-of-those-arrested-for-jaywalking-are-black/261522/

If you prefer to cut The Atlantic out of the equation, here's the link to the ViveLoHoy article: 

http://www.vivelohoy.com/noticias/8121347/arrest-disparities-for-black-people-in-champaign-urbana

If you want to read some (now outdated) analysis of C-U assault arrests, you can do so here:

http://www.smilepolitely.com/opinion/polar_bear_deconstruction/