Manuel Mondragón y Kalb, the head of Mexico's National Security Commission (CNS), will be resigning from his post on Monday. Accorging to sources close to the security head, Mondragón y Kalb will be stepping down as National Security Commissioner after five inmates fled from Ceferesco Prison in Ciudad Juarez last Friday. El Universal also cites personal reasons for Mondragón's y Kalb's decision to leave Mexico's top security position tomorrow. 

Manuel Mondragón y Kalb has been the head of the CNS since the start of Enrique Peña Nieto's administration. Prior to that, he was haed of Public Security in the government of Mexico City (the 'Distrito Federal'). Among possible replacements for Mondragón y Kalb are Eugenio Imaz Gisper, who is currently head of CISEN, Mexico's top intelligence agency. However, Senator Omar Fayad, from the PRI has also been mentioned as a possible candidate. 

Manuel Mondragón y Kalb was originally trained a platic surgeon at the National Autonomous University (UNAM). He worked as a surgeon for numerous years before beginning a career in politics. In 2008 he was nmaed Secretary of Public Security for Mexico City following the resignation of Joel Ortega. In 2012, Andrés Manuel López Obrador, suggested Mondragón y Kalb as head of the CNS during his campaign. Despite Lopez Obrador's loss, Peña Nieto announced him in that position in December 2012.