Who would enforce International law when the law-enforces are themselves the culprits?

The issue of CIA operated detention facilities in Eastern Europe and Africa has been debated on numerous occassions over the past few months. Allegations have been raised against major European countries such as, Italy, Germany and UK -- the upholders of human rights-- regarding illegal abduction and transportation of many 'suspected' individuals. Recently, the European Parliament adopted a resolution condemning the member countries who were involved in covert CIA actions. The Parliament criticized the countries who helped the transfer of individuals to countries where they could be tortured 'lawfully.' The article highlights the underlying hypocrisy of the upholders of human rights who pay only lip-service to the Convention against Torture.
What does everyone think about it?