صحيح البخاري
Sahih Bukhari
كتاب استتابة المرتدين
The Book of Obliging The Apostates and The Repentance of Those Who Refuse The Truth Obstinately, and To Fight Against Such People
باب قتل الخوارج والملحدين بعد إقامة الحجة عليهم:
Chapter. Killing Al-Khawarij (some people who dissented from the religion and disagreed with the rest of Muslims), and Al-Mullhidun (heretical) after the establishment of firm proof against them.