If you want some context to the recent events in Baltimore, read the piece linked below.
Let me note as one who has taught just outside Baltimore for the past two years (first in Glen Burnie and now in Catonsville) that while the current unemployment rate in Baltimore is 8% that among African_American men 18-35 it is 30%
The piece contains a map of the Baltimore area with a loop showing population changes that is also quite illuminating.
Note that the loss of jobs for working class people has a great deal to do with the increasing inequity in a city like Baltimore
Here's the link.