Mailbag: Lynching and Vigilante Justice

What differentiates Luigi Mangioni from Kyle Rittenhouse and Daniel Perry? From the KKK?

MidJourney prompt: “a mailbag overflowing with letters, sitting in the middle of an empty warehouse”

One reader writes:

Your distaste for vigilante justice is understandable, but why should some who materially benefit from human suffering through systemic methods be protected, while those who respond through unsanctioned violence be thoroughly condemned? …