A study from DePaul University’s Institute for Housing Studies shows that the largest investor in the foreclosure to rental market is concentrating its efforts in the northern part of Cook County, which could slow housing recovery on Chicago’s South Side and in the southern suburbs. The Institute’s Geoff Smith and Crain’s Chicago Business housing reporter Dennis Rodkin break down the numbers, and discuss how other investors are filling the gap in these areas. Photo: Flickr/get directly down