For the record, St Andre' was Rossi's jewelry company that made rings from the enormous bounty of gold that he claims came from his industrial gold and silver reclamation business. He was so successful that he had tons of gold left over from that process and that led to further escapades that are very indicative of this man's career.
.... an almost 40 year career of failure including criminal convictions, prison time, self-proclaimed lies, massive ecological damage to a large region of Italy, repeat patterns of patents, self-publications, failed demonstrations, duped investors / funding sources including Govt agencies?
From this comment, one can only assume IH's 'due diligence' phase involved watching dollar signs rotate around their eyeballs.