How did Americans react to the conviction of Nicola Sacco?

For more than six years the Sacco-Vanzetti case has been before the courts of Massachusetts. In a state where ordinary murder trials are promptly dispatched such extraordinary delay in itself challenges attention. The fact is that a long succession of disclosures has aroused interest far beyond the boundaries of Massachusetts and even of the United States, until the case has become one of those rare causes célèbres which are of international concern. The aim of this paper is to give in the briefest compass an accurate résumé of the facts of the case from its earliest stages to its present posture.

Explanation:

So far as the crime is concerned, we are dealing with a conventional case of payroll robbery. At the trial the killing of Parmenter and Berardelli was undisputed. The only issue was the identity of the murderers. Were Sacco and Vanzetti two of the assailants of Parmenter and Berardelli, or were they not?