VOA Chinese, June 3, 2011.
http://www.voanews.com/chinese/news/20110603-dc-world-press-123134288.html
------------------------------Separately
James T areddy, In China, Crime Is Kept Quiet, Except on TV; The country remains safe by Western standards, but crime is more common and data are scarce. Wall Street Journal, May 28, 2011
("In China's growing cities, aluminum bars over windows and doors make most apartments resemble jails")