With the advent of Prohibition the stakes within the Detroit underworld became greater than ever imagined as tens of millions of dollars in illicit profits were now at stake and control of the new liquor import and bootlegging trade within the Italian community and eventually all of Detroit would determine who reigned supreme. At the time the peace agreement had been reached, both Gianolla and Vitale may have already been alerted to the possibility of Prohibition had begun or were planning to re-organize their groups in anticipation of a new and highly lucrative racket, so even with a peace agreement the two Mafia leaders may have decided the other had to go.