mexico city murder october mexico month least 20 years accord official data late grim milestone 2017 year course register high homicide tally since modern record begin mexican president enrique pena nieto failure tackle grow drug violence see major weakness ahead next july presidential election face uphill battle keep centrist institutional revolutionary party pri power data publish mexico interior ministry monday show 2,371 murder investigations open october 20,878 murder nationwide first 10 months 2017 year track overtake 2011 violent since government begin publish data 1997. average 69 murder day far year put mexico track overtake 2011 homicide tally end november 2011 average 63 murder per day accord reuters calculations speech early month pena nieto acknowledge crime violence rise say still satisfy still lot achieve say security need remain utmost priority government however also add certain sectors society engage bully mexico institutions belittle work police military comment ridicule online many criticize rise violence graft stain administration bad news pena nieto unpopular government silvestre de la toba head baja california sur state human right commission shoot dead monday kill draw criticism u.s. ambassador mexico roberta jacobson tweet death fully investigate baja california sur include popular resort los cabos one state see sharp rise murder 409 first 10 months 2017 178 percent period last year mexico suffer deadly month record 2017 set bad year