~I didn't read this paper, but~ I wonder how this compares to the same populate before and after they serve time in prison/jail. I also wonder how such studies

~I didn't read this paper, but~ I wonder how this compares to the same populate before and after they serve time in prison/jail. I also wonder how such studies of Chinese prisons apply to prison populations in the US and elsewhere. Edit: I did read this paper a while ago.