 Additional laws were passed penalizing residents found harbouring deserters from the fleet; apparently the attraction of colonial life was sufficient that this was a significant problem during the five weeks the expedition was in Boston.During the expedition's sojourn in Boston, Walker attempted to enlist pilots experienced in navigating the Saint Lawrence River.To his dismay, none were forthcoming; even Captain Cyprian Southack, reputed to be one of the colony's best navigators, claimed he had never been beyond the river's mouth.