How did sacco and vanzetti become victims of the red scare?

They were senteced to death for a crime they did not commit

Explanation:

Nicola sacco and bartolomeo vanzetti were arrested for the murder of two employees of a shoe warehouse in Massachusetts (1921). They were anarchists and socialists and within 2 weeks this two italian immigrants were found guilty. Four years later, another man said he had committed the crime with a local gang.

Despite appeals, they were never granted a retrial. When they were sentenced to death on 1927, protests erupted around the country. But to no avail. The men were executed on Aug. 23, 1927, victims of a biased trial