Anyone avoiding the door to the sheepfold is suspect 3. The sheep and their shepherd a. In such common sheepfolds, the shepherd would merely give his distinctive call, and his sheep would come out from the others, following him out of the sheepfold.
Sheep are experts at discerning their shepherd's voice i.
During World War I, some Turkish soldiers tried to steal a flock of sheep from a hillside nearJerusalem. The shepherd, who had been sleeping, awoke to find his flock being driven off. He couldn't recapture them by force, so he called out to his flock with his distinctive call. The sheep listened, and returned to their rightful owner. The soldiers couldn't stop the sheep from returning to their shepherd's voice.