mexico city mexico year register high murder total since modern record begin accord official data deal fresh blow president enrique pena nieto pledge get gang violence control presidential elections due 2018. total 23,101 murder investigations open first 11 months year surpass 22,409 register whole 2011 figure publish friday night interior ministry show figure go back 1997. pena nieto take office december 2012 pledge tame violence escalate predecessor felipe calderon manage reduce murder tally first two years term since rise steadily 18.7 per 100,000 inhabitants 2017 mexican murder rate still low 2011 reach almost 19.4 per 100,000 data show rate also hold level report several latin american countries accord u.n. figure use world bank online database brazil colombia murder rate 27 per 100,000 venezuela 57 honduras 64 el salvador 109 2015 last year data available u.s. rate per 100,000. still pena nieto failure contain kill damage credibility hurt centrist institutional revolutionary party pri face uphill struggle hold onto power july 2018 presidential election law bar pena nieto run current front-runner race leftist andres manuel lopez obrador float explore amnesty criminal gang reduce violence without flesh idea mexican newspaper reforma say saturday campaign stop central state hidalgo friday lopez obrador address issue ask whether talk aim stop violence could include criminal gang dialogue everyone need dialogue need push end war guarantee peace things go reforma quote lopez obrador say strategy harbor risk former mexico city mayor poll month show two-thirds mexicans reject offer amnesty members criminal gang bid curb violence less quarter favor separately lopez obrador say saturday would get rid mexico intelligence agency cisen july election call unnecessary expense go monitor anybody go spy go listen phone call hack phone get file photos say central town tezontepec mexico murder hit record high deal blow president