From the AP, via the Washington Post (link):
A U.N. investigator who was granted rare access to Chinese detentions centers last year is calling for sweeping changes in the country’s police and court systems to reduce the widespread use of torture.
Manfred Nowak’s report urges Beijing to stop executing people for economic and nonviolent crimes, and to abolish vague state security laws used against dissidents. It also calls for the release of people jailed for peaceful exercise of free speech or religion.
See also an interview (PDF file) with Manfred Nowak by the Duihua Foundation.