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So Joshua smote all the country ... he left none remaining, but utterly destroyed all that breathed, as the LORD God of Israel commanded. 10:40
Trivia: What did God tell Joshua to do after the Israelites crossed the Jordan River in Joshua 4?
Joshua's spies visit and "came unto" a prostitute in Jericho. They weren't very discreet about it either, since the King of Jericho soon found out about it. The king's officials ask Rahab to "bring forth the men that are come to thee." 2:1-4