In the aftermath of the Triangle Shirtwaist Factory fire, he was Chairman of the State Factory Investigating Committee (1911–1915). His Vice Chairman was fellow Tammany Hall politician, Al Smith. They held a series of widely publicized investigations around the state, interviewing 222 witnesses and taking 3500 pages of testimony. They started with the issue of fire safety and moved on to broader issues of the risks of injury in the factory environment. Their findings led to 38 new laws regulating labor in New York State and gave each of them a reputation as leading progressive reformers working on behalf of the working class. In the process, they changed Tammany's reputation from mere corruption to progressive endeavors to help workers.