The "Troutman St. Ambush" of Bill Bonanno by DiGregorio Faction shooters has brought Joe Bonanno back to N.Y. to rally his troops and supporters against DiGregorio and his Commission supporters. With the sudden return of Bonanno, DiGregorio loses both the support of his remaining gunmen and The Commission withdraws its support due to his inability to lead the Family.
The "Troutman St. Ambush" by DiGregorio Faction shooters brought Bill Bonanno back to New York City to rally supporters against DiGregorio and his allies within The Commission.  DiGregorio lost both his remaining gunmen and support from The Commission due to his inability to lead the Family after this event.