The capture of Joaquin "El Chapo (Shorty)" Guzman in February 2014 was lauded at home and abroad as one of the most important accomplishments of Mexican President Enrique Pena Nieto, who restored Mexico's longtime ruling party to power after a 12-year hiatus. However, on July 11, 2015, Guzman escaped from Mexico's top maximum-security prison.

Now, one of Pena Nieto's greatest feats is widely seen as his greatest failure, and a possible setback to U.S.-Mexico relations. Since Guzman's escape through a 1.5-kilometer ventilated tunnel, pundits are debating who is to blame and what comes next in the fight against Mexican organized crime.

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