BBC Chinese, Mar 1, 2011.
http://www.bbc.co.uk/zhongwen/simp/china/2011/03/110301_china_minister_corruption.shtml
Note: The report cites
于宁 张伯玲 曹海丽 王和岩 梁冬梅, 调查刘志军. 《新世纪》周刊, Feb 28, 2011.
content.caixun.com/NE/02/g6/NE02g6es.shtm
Apparently, 《新世纪》周刊 is a subsidiary of Caixun 财讯, which does not, it appears, allow free viewing. Piracy copies show up in many websites. If interested, you may try them.