On April 15, 1920, a paymaster for a shoe company in Massachusetts, was shot and killed along with his guard.The murderers, who were described as two Italian men, escaped with more than $15,000. After going to a garage to claim a car that police said was connected with the crime, Sacco and they were arrested and charged with the crime.
Then under a sentence for murder, he confessed in 1925 that he had participated in the crime with the Joe Morelli gang. In 1961, a test of Sacco’s gun using modern forensic techniques apparently proved it was his gun that killed the guard
overall, they killed 2 employees, and robbed the company. there was little evidence, but there were still 2 crucial parts. the fact that the gun matched, is an indication that he did it, and he also confessed. The two men were sentenced to death on April 9, 1927.