In Chicago neighborhoods like Albany Park, the presence of Immigration and Customs Enforcement (ICE) agents has become increasingly noticeable following a new wave of operations aimed at detaining undocumented immigrants.

Minutes later, with federal immigration agents banging on the front door of her apartment in Chicago’s Hermosa neighborhood, she had an answer. Maria’s husband was one of an as-yet-unknown number of people taken into custody Sunday morning in what appeared to be the opening salvo in the long-promised — and much-feared — federal immigration blitz on Chicago.