Five years ago, FRONTLINE and The New York Times joined forces to investigate death and dismemberment in one of America’s most dangerous industries — the iron pipe foundry business. One company stood out, the McWane Corporation. It had more health and safety violations than all of its competitors combined, and there were a number of environmental violations as well. FRONTLINE revisits its original broadcast with correspondent Lowell Bergman who then reports on what has changed at McWane and whether the company has become a less dangerous business. [Explore more stories on the original website for A Dangerous Business Revisited.]