After three months, more than five dozen witnesses and an array of thorny legal scuffles, attorneys in the landmark corruption trial of ex-speaker Michael Madigan are slated to begin presenting closing arguments Wednesday.

Prosecutors began wrapping up their final summations Friday on Day 3 of closing arguments in the former speaker’s landmark trial by presenting an overview of how the various bribery and corruption schemes alleged in the government’s 23-charge indictment all come together under count one: racketeering conspiracy.