Jamieson, Fausset and Brown on Genesis 37:13-17

13-17. Israel said, ... Do not thy brethren feed the flock in Shechem?--Anxious to learn how his sons were doing in their distant encampment, Jacob despatched Joseph; and the youth, accepting the mission with alacrity, left the vale of Hebron, sought them at Shechem, heard of them from a man in "the field" (the wide and richly cultivated plain of Esdraelon), and found that they had left that neighborhood for Dothan, probably being compelled by the detestation in which, from the horrid massacre, their name was held.