March 3, 2011. CBS Evening News with Katie Couric. Gun Walking / Gun Running. Interview with ATF Federal agent John Dodson. He reveals that the US ATF (Bureau of Alcohol, Tobacco, Firearms and Explosives) was intentionally funneling heavy weaponry to Mexican drug cartels. The secret operation was called Fast and Furious. Perhaps this is one reason cartel violence has skyrocketed in Mexico in recent years.