holder make baseless remark behind bar another story retire attorney general eric holder push back statements make last week fbi director jam comey comey suggest so-called ferguson effect might responsible recent rise crime cities around country.in gather reporters wednesday holder tell huffington post agree comment make connection draw so-called ferguson effect rise crime ferguson effect name give recent spike crime american cities year idea police take note public mood decide hold back aggressive policing.eric holder tell huffington post factor involve crime surge would difficult tease hard us understand crime drop historic low last 40 years think probably equally difficult even difficult explain crime go place violent crime go place past 12 months holder immediately discount one possible explanation say think connect so-called ferguson effect comment eric holder part ongoing war word within obama administration escalate last friday fbi director jam comey seem endorse ferguson effect explanation address university chicago law school.after tick list possible explanations recent crime surge director comey say strong sense part explanation chill wind blow law enforcement last year wind surely change behavior nobody say record nobody say public comey tell audience last friday add one explanation mind explain calendar map refer widespread increase crime cities across country time increase year.former ag eric holder reject idea police hold back public mood wednesday tell huffington post frankly think police officer lay job via breitbart news ferguson flamethrower come hide slam fbi director blame ferguson effect rise crime