Deadly Business takes a new look at the issue of gun violence by turning the spotlight on the gun industry and highlighting its role in the epidemic of gun violence in America. The film explores the marketing practices of firearm manufacturers, the role of the gun lobby, the lack of safer product designs and more. Deadly Business also takes a revealing look at the parallels between the gun and tobacco industry's efforts to ensure their businesses remain unregulated. The film features Senator Richard Durbin, Congresswoman Carolyn McCarthy, Common Cause President Scott Harshbarger and more.