Carlos García - Arellanes pleaded guilty to killing U.S. border agent Brian Terry . His conviction was linked to the ` ` Fast and Furious '' murders . In a related case , Rito Osorio-Arellanes , pleaded guilty to conspiracy to interfere with commerce by robbery and was sentenced to eight years in prison in January 2013 . Customs officials wanted to seize weapons used for drug trafficking . Terry was killed in a gun battle occurred in 2010 on the Arizona - Mexico border .
Carlos García - Arellanes pleaded guilty to killing U.S. border agent Brian Terry . His conviction was linked to the ` ` Fast and Furious '' murders . Customs officials wanted to seize weapons used for drug trafficking . Terry was killed in a gun battle occurred in 2010 on the Arizona - Mexico border .