The thief waits in his own passage until he knows the victim has followed him down that passage. He does not pass through the door if the victim is in the othe

The thief waits in his own passage until he knows the victim has followed him down that passage. He does not pass through the door if the victim is in the other passage. The authors briefly mention this: > After a very uncomfortable wait he saw a thief arrive who, *sensing he was pursued by his victim*, whispered the magic words, “Open sesame.”