Six weeks after de Guzman’s death, the Busang gold dream was over for everyone, leaving investors in despair.Bre-X Minerals’ C$6bn valuation had been reduced to nothing.An independent report would confirm there was no gold at all at the Busang site. Rock samples dating from 1995 to 1997 were analysed and found to have been tampered with through a process called salting. Fragments of gold from another source had been sprinkled among rock samples via a saltshaker to falsify results.Almost 30 years later, no-one has ever been held accountable for the scam.Walsh maintained he knew nothing…