[5][6] Several years later in 1993, he was admitted to the Federal Police, which was led by the office National Security Commission and was stationed at Nuevo Laredo.
Villarreal Barragán was then stationed at Reynosa, Tamaulipas, where he worked until 1996, when he established a business relationship with the Juárez Cartel.
[5] Following Arturo's death in December 2009 during a shootout with Marines, infighting broke out for the control of the Beltrán Leyva Cartel.
[12] The act prohibited U.S. citizens and companies from doing any kind of business activity with him, and virtually froze all his assets in the U.S.[13] On September 12, 2010, he was arrested in a raid by Mexican Marines in the central state of Puebla.
[16] Villarreal Barragán was extradited to the United States on 23 May 2012, and may possibly serve as a "protected witness" for the DEA.