וְדָוִ֥ד יוֹשֵׁ֖ב בֵּין־שְׁנֵ֣י הַשְּׁעָרִ֑ים וַיֵּ֨לֶךְ הַצֹּפֶ֜ה אֶל־גַּ֤ג הַשַּׁ֙עַר֙ אֶל־הַ֣חוֹמָ֔ה וַיִּשָּׂ֤א אֶת־עֵינָיו֙ וַיַּ֔רְא וְהִנֵּה־אִ֖ישׁ רָ֥ץ לְבַדּֽוֹ׃
Now David sat between the two gates; and the watchman went up to the roof of the gate unto the wall, and lifted up his eyes, and looked, and behold a man running alone.
Read halakhic rulings (Jewish law) on II Samuel 18:24: and classical halakhic sources.