With the gang's early success, Sangerman began accepting jobs from outside trade unions.
George Matrisciano, a leading member of the gang, was considered one of the best bomb makers in Chicago history.
A later investigation by the Illinois Crime Survey suspected several members of the barbers union; however, no charges were filed.
[1] The gang dissolved shortly afterward the indictment of Sangerman (who died while still awaiting trial, on February 12, 1926, following emergency intestinal surgery), and Matrisciano's death.
The use of bombings as a means of intimidation had become less favorable from the negative press coverage, specifically during the Aldermen's Wars of 1916-1921 and the 1928 Republican convention known as the "Pineapple Primary", drew too much attention and public outcry and by the end of the decade the Chicago underworld had returned to more discreet methods of intimidation.