On overpasses and by roadsides they gather, holding banners and placards. In the early days, only a few people showed up, congregating at chosen times and scattered locations around Boston. But their cause has grown and their numbers have swelled. For Labor Day 2024, plans were made for “standouts,” as the organizers called them, in more than 70 places—all over Massachusetts, yes, but also in Ohio, Kansas, Florida, California, and elsewhere.

These assemblies are the most visible manifestation of what is usually referred to as the Free Karen Read movement. If in the fullness of time it will seem strange that such unity and passion should have been mustered in defense of a 45-year-old Massachusetts financial analyst and adjunct college professor accused of killing her police-officer boyfriend by backing into him with her car … well, not to these people gathered today …

In most assessments, a large part of the credit for how all of this has come to be—or, according to the haters and detractors (and there are plenty), the blame for it—belongs to a man named Aidan Kearney.