 Before she leaves, Beckett warns her that he'll still want the compass.Beckett later learns from Mercer that Elizabeth had made her way to Tortuga and left on board the "Black Pearl" with Jack Sparrow.Beckett uses this information to blackmail Governor Swann, telling him that EITC ships are in persuit of the "Pearl", and that Elizabeth will be spared from being slaughtered with the other pirates if Governor Swann agrees to follow Beckett's orders.