Sahih Bukhari, Hadith: Q2648, (8) Chapter. The witness of a person falsely accusing somebody of illegal sexual intercourse and the witness of a thief or an adulterer.

صحيح البخاري

Sahih Bukhari

كتاب الشهادات

The Book of Witnesses

باب شهادة القاذف والسارق والزاني:

(8) Chapter. The witness of a person falsely accusing somebody of illegal sexual intercourse and the witness of a thief or an adulterer.