u.s. attorney general jeff sessions wednesday strongly criticize city chicago political leadership cite so-called sanctuary policies example breakdown law order country sessions begin impose new restrictions law enforcement grant cities decline use municipal resources enforce federal immigration laws chicago along state california city san francisco sue month condition president donald trump frequently criticize chicago high murder rate crack illegal immigration theme 2016 presidential campaign democratic city state leaders argue sanctuary policies build trust immigrant communities law enforcement help deter crime speech miami sessions praise leaders miami-dade county comply requirements allow federal immigration authorities access detainees local jail chicago refusal make predators drug dealers sessions say respect rule law break sessions say chicago suggest so-called sanctuary policies one sad example chicago mayor rahm emanuel say statement city cave federal officials week trump administration force answer question neo-nazis white supremacists kkk emanuel say could pick bad time resume attack immigrants see america beacon hope sessions say miami-dade county homicide count barely third 1980s year chicago three time many miami-dade county include city miami surround areas similar population size chicago immigration advocate say correlation immigration violent crime los angeles also embrace sanctuary city policies see sharp drop homicides since reach high early 1990s 1992 1,094 people kill city accord fbi uniform crime report statistics 2016 los angeles police department report 294 homicides chicago police superintendent eddie johnson say statement shoot 16 percent year undocumented immigrants drive violence city sessions slam chicago sanctuary policies