AApril 6, 1960:  A 1960 picture of the Pearl Street street shoe factory of Slater & Morrill in South Braintree, where the paymaster, Frederick A. Parmenter, 34 and and his guard, Alessandro Berardelli, 44, were slain for $15,766.51 representing the weekly payroll of the factory. The holdup, during the afternoon of April 15, 1920 began the sensational Sacco and Vanzetti case.