A woman has revealed…how she found a plea for help from a man imprisoned in China in a bag from the…Saks store in New York. In the note, the man said he was forced to work 13-hour days at a Chinese prison factory to make the bags.The discovery…prompted a search for the man's whereabouts…News website DNAinfo says it managed to track down the man…who had already been released.The…department store, Saks, said it had launched an investigation into the discovery but could not determine the specific origins of the bag…Ms Wilson [the customer]…passed the note on to the human rights Laogai Research Foundation [which] was unable to track him down but raised awareness of the letter with the Department of Homeland Security and the Saks Fifth Avenue store…DNAinfo said it recently made contact with someone who identified himself as the man behind the letter…According to DNAinfo, he was detained…after being arrested for fraud in May 2011 - charges he denies…