How “safe” are prisons?

Found this somewhere, forgot the exact source:

Looking to Live in a Community with Low Murder Rates? Try Committing a Crime
By STEVEN D. LEVITT
Crime rates have a large influence on the choices people make about where to live. The amazing declines in crime over the last fifteen years have been especially strong in big cities, a factor that helped fuel an urban renaissance. Ironically, however, some of the lowest murder rates are found in places where one might suspect just the opposite to...

How "safe" are prisons?
Author: admin