In April of 1920, two payroll guards were gunned during a robbery in Braintree, Massachusetts. Police immediately honed in on two Italian-born anarchists, Nicola Sacco and Bartolomeo Vanzetti, and charged them with murder.

My guest, Susan Tejada, author of "In Search of Sacco and Vanzetti: Double Lives, Troubled Times and the Massachusetts Murder Case That Shook the World", dives into the case in detail. And it's fascinating - from a questionable police investigation, including confusing ballistics evidence, to a biased judge, to an ignored confession, this is a case that caused a world-wide outcry over a failed legal process, which led to the eventual execution of both men.

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