CHICAGO - Immigration and Customs Enforcement (ICE) arrested 13 people in Chicago as part of Operation Midway Blitz, a new enforcement effort aimed at undocumented immigrants with criminal records.

What we know:

Federal officials said those arrested include "dangerous criminal illegal aliens" with prior convictions or pending charges for crimes ranging from sexual assault of a child to armed robbery and domestic violence. Among them were individuals from Mexico, Guatemala, India and Kyrgyzstan.

DHS said the 13 people below are "some of the worst of the worst offenders arrested": Image 1 of 13 ▼

Carlos Roman-Berrera, a criminal illegal alien from Mexico, arrested for aggravated sexual assault of a child family member and previously convicted of DUI. | DHS

The backstory:

Operation

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