You can see the effect of 2008 on Chicago just by looking around the south and west sides on Google Street View. Lots of apartment buildings standing or being rehabbed in 2007, that were gone with the next picture set a few years later.
There was a coordinated effort by certain pols working with gangs to intimidate residents to leave certain areas. In Bridgeport pols made millions off of selling real estate to Chinese at inflated prices