Additional guns, previously unreported by congressional investigators, found their way into the hands of drug traffickers across Latin America in countries such as, Honduras and Colombia, as well as the U.S. Commonwealth of Puerto Rico. A person familiar with the recent congressional hearings called Univision’s findings “the holy grail” that Congress had been searching for.

Get the full story on “Fast and Furious” on a special edition of Univision’s “Aquí y Ahora” (Here and Now) this Sunday, September 30, 2012 at 7:00 p.m. ET/PT (6 p.m. Central), which will be aired with closed captioning in English.