וַיִּשְׁלַח֙ מֶ֣לֶךְ יְרִיח֔וֹ אֶל־רָחָ֖ב לֵאמֹ֑ר ה֠וֹצִיאִי הָאֲנָשִׁ֨ים הַבָּאִ֤ים אֵלַ֙יִךְ֙ אֲשֶׁר־בָּ֣אוּ לְבֵיתֵ֔ךְ כִּ֛י לַחְפֹּ֥ר אֶת־כָּל־הָאָ֖רֶץ בָּֽאוּ׃
And the king of Jericho sent unto Rahab, saying: ‘Bring forth the men that are come to thee, that are entered into thy house; for they are come to search out all the land.’
Read halakhic rulings (Jewish law) on Joshua 2:3: and classical halakhic sources.