A Chinese factory was the source of a counterfeit chemical that killed dozens of people in Panama after it was used in human medications, a newspaper reported. The New York Times reported in its Sunday editions that records and interviews revealed the poison was first sold by Chinese companies that exported it as 99.5 percent pure glycerin. The source of the chemical was then obscured as middlemen in Spain and Panama removed the names of their suppliers from shipping documents — a practice used by distributors to ensure continued business. Full Story