"I expected that sooner or later that the truth would prevail," said Mr Walesa. "These papers were very good fakes, which is why so many people were taken in." Allegations of co-operation with the secret police have dogged the peace prize laureate for decades, and have been used by his political opponents to discredit his name and reputation. Along with the smear campaign from the 1980s Mr Walesa has also had to contend with accusations that in mid-1970s he passed on information about pro-democracy activists under the code name "Bolek".