00:00 Two Italian immigrants with ties to radical anarchist groups were arrested for the murder of two men delivering the payroll to the Slater Moral Shoe Company in Braintree, Massachusetts, in 1920, leading to a highly controversial criminal case that captivated the world.

02:03 The trial of Sacco and Vanzetti was highly influenced by the political climate of the time, which included a series of anarchist bombings in the United States and the Palmer Raids targeting anarchists and communists.

03:40 Sacco and Vanzetti were arrested and charged with murder after being connected to the crime through the getaway car and matching weapons, and the trial was characterized by ethnic bias, conflicting testimonies, and conflicting ballistics testimony.

05:10 The trial of Sacco and Vanzetti was influenced by their politics, they were found guilty of murder in a short amount of time, and their treatment during the trial led to them becoming a cause célèbre.

06:41 The execution of Sacco and Vanzetti led to violent protests around the world, their funeral procession drew massive crowds, and the case eventually led to reforms in the judicial system.

08:18 The trial of Sacco and Vanzetti was conducted unfairly, with numerous problems, and there have been subsequent Supreme Court cases that would have prevented the same outcome; physical evidence from the trial has been lost or damaged over time; Sinclair, who initially believed in their innocence, learned from their defense attorney that they were actually guilty and changed his book to reflect this ambiguity; other individuals, including anarchist leader Carlo Tresca and Boston anarchist Anthony Ramagulia, have also admitted to their involvement in the crime.

09:52 Sacco and Vanzetti's guilt is supported by the confession of a fellow anarchist, ballistics tests, and the admission of their defense attorney, although none of this evidence could have been used in their trial.