Sahih al-Bukhari 6533
صحيح البخاري#6533SahihNarrated `Abdullah:The Prophet (ﷺ) said, "The cases which will be decided first (on the Day of Resurrection) will be the cases of blood-shedding
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 81:122