 Unable to sell them directly, it included them in the underlying securities of the CDO and took the short side, but critics McLean and Nocera complained the CDO prospectus did not explain this but described its contents as "'assets sourced from the Street', making it sound as though Goldman randomly selected the securities, instead of specifically creating a hedge for its own book".The CDO did not perform well, and by March 2008 - just 18 months after its issue - so many borrowers had defaulted that holders of the security paid out "about US$310 million to Goldman and others who had bet against it".Goldman's head of European fixed-income sales lamented in an e-mail made public by the Senate Permanent Subcommittee on Investigations, the "real bad feeling across European sales about some of the trades we did with clients" who had invested in the CDO.