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كتاب الديات
87  
Blood Money (Ad-Diyat)
(1)
Chapter: “… And whoever kills a believer intentionally, his recompense is Hell …”
(1)
Sahih al-Bukhari 6864

Narrated `Abdullah:

The Prophet (ﷺ) said, "The first cases to be decided among the people (on the Day of Resurrection) will be those of blood-shed."

حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُوسَى، عَنِ الأَعْمَشِ، عَنْ أَبِي وَائِلٍ، عَنْ عَبْدِ اللَّهِ، قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم ‏ "‏ أَوَّلُ مَا يُقْضَى بَيْنَ النَّاسِ فِي الدِّمَاءِ ‏"‏‏.‏
Reference : Sahih al-Bukhari 6864
In-book reference : Book 87, Hadith 4
USC-MSA web (English) reference : Vol. 9, Book 83, Hadith 4
  (deprecated numbering scheme)