Almost eight months after Katie Abraham’s death, the Department of Homeland Security announced it was launching its latest immigration enforcement action in Illinois, “Operation Midway Blitz,” in her honor.

As the Sun-Times and WBEZ report on this moment in the Chicago area, we’ve assembled a series of explainers to help you make sense of what’s happening. This collection will be updated as new reporting is published.

"Operation Midway Blitz" begins in Chicago amid Supreme Court ruling on ICE operations and opposition from Illinois Democratic leaders to a federal law enforcement surge.

Border Patrol official Gregory Bovino, who led controversial immigration enforcement raids in southern California this summer, has arrived in Chicago.

Deploying National Guard troops to Chicago could cost taxpayers nearly $1.6 million per day, according to a nonpartisan federal budget research organization. The estimate is based on 3,000 troops potentially being sent to Chicago, though no official number has been made public.

Trump administration announces Operation Midway Blitz, a immigration crackdown in Chicago as city braces for troop deployment and more ICE agents.

The Chicago area is bracing for additional immigration enforcement over the weekend. Meanwhile, Illinois Gov. JB Pritzker and Chicago Mayor Brandon Johnson pushed back against President Donald Trump Saturday after the president increased his threats to send in federal troops to the city with a social media meme.

The Department of Homeland Security is trumpeting the start of a new immigration operation in Chicago that's stirring up fresh confusion and anxiety.

More anti-blitz rallies have been scheduled in the Chicago suburbs in the coming days, as towns that were once Republican strongholds now lean more Democratic.