Casten was asked at a recent town hall to condemn anti-Semitic statements made by his colleague, Rep. Ilhan Omar. Instead of doing so, he opted to call Rep. Dan Crenshaw a “racist” who “opposes brown people.”

Residents of the 13th Ward were constantly harassed by Madigan’s team, sometimes receiving three visits to their doors each day. One woman told reporters that she feared losing city services if she didn’t comply with their demands.

National Democrats face a rising threat from the left as primary campaigns pick up.