Reproduction of a letter to the National Commission of Human Rights from criminals, drug dealers, murderers and kidnappers in "El Altiplano," Mexico's highest-security prison. Ronaldo Schemidt/AFP/Getty Images hide caption

itoggle caption Ronaldo Schemidt/AFP/Getty Images

On Thursday, the Mexican Navy presented Felix Beltran Leon (in red) as the son of Joaquin "El Chapo" Guzman, Jesus Alfredo Guzman Salazar. On Friday, Mexican and U.S. officials confirmed that Beltran's identity had been mistaken. Alfredo Estrella /AFP/Getty Images hide caption

itoggle caption Alfredo Estrella /AFP/Getty Images