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March 30, 2013— -- The Peabody Awards were just announced this week, and our colleagues at the Univision News investigative unit were among the recipientes for their in-depth coverage of the gun-walking scandal known as Operation Fast and Furious.

The botched operation, which was run by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), allowed suspected gun smugglers to acquire arms in the United States so they could be traced to Mexican drug cartels.

Univision's hour-long documentary focused on the consequences of the ATF's operation outside the U.S., and more specifically on the repercussions across the Mexican border.

WATCH: A 10-minute English version of the investigation, plus extra written material here.

In this video above, we asked the investigative unit's director, Gerardo Reyes, and reporter/producer Tomás Ocaña to explain to us the process of their investigation, which t