What began as the obscure local case of two Italian immigrant anarchists accused of robbery and murder flared into an unprecedented political and legal scandal as the perception grew that their conviction was a judicial travesty and their execution a political murder. This book is the first to reveal the full national and international scope of the Sacco-Vanzetti affair, uncovering how and why the two men became the center of a global cause celebre that shook public opinion and transformed America's relationship with the world.

Drawing on extensive research on two continents, and written...