The anti-violence protest was the second in less than a month to target the shutdown of a Chicago expressway, a tactic designed to maximize exposure for the message. The previous march on July 7, organized by the Rev. Michael Pfleger, shut down the northbound lanes of the Dan Ryan Expressway for an hour on a Saturday morning. The full closure of one side of the busy highway followed on-site negotiations about logistics between organizers and police. Johnson ended up marching arm in arm with Pfleger and the Rev. Jesse Jackson.