Well to answer the question, I believe even though Angelesco and Giangrande roamed Medford, Somerville, Everett, and Malden, their reporting place and memebership belongs to the Revere faction, which Antonio "Spucky" Spagnolo is the Captain over. So I'm guessing these murders came from the Revere Faction, or from Peter Limone, Carmen Dinunzio, and Anthony Dinunzio who as a trio controlled at the time the "In Town"/ North End/ Medford Faction. Mark Rossetti's territory is East Boston, Beachmont-Revere, Chelsea, and Winthrop. But as I'm told the top 5 guys in Boston all communicate with one another, and at the time of the murder, thats Peter Limone, Carmen Dinunzio, Anthony Dinunzio, Antonio Spagnolo, and.....