Sunan an-Nasa'i 4798
سنن النسائي#4798Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ بَزِيعٍ، قَالَ أَنْبَأَنَا يَزِيدُ، عَنْ خَالِدٍ، عَنِ الْقَاسِمِ بْنِ رَبِيعَةَ، عَنْ يَعْقُوبَ بْنِ أَوْسٍ، أَنَّ رَجُلاً، مِنْ أَصْحَابِ النَّبِيِّ صلى الله عليه وسلم حَدَّثَهُ أَنَّ النَّبِيَّ صلى الله عليه وسلم دَخَلَ مَكَّةَ عَامَ الْفَتْحِ قَالَ " أَلاَ وَإِنَّ قَتِيلَ الْخَطَإِ الْعَمْدِ قَتِيلَ السَّوْطِ وَالْعَصَا مِنْهَا أَرْبَعُونَ فِي بُطُونِهَا أَوْلاَدُهَا " .
It was narrated from Ya'qub bin Aws that:a man from among the Companions of the Prophet narrated to him that the Prophet entered Makkah during the Year of the Conquest, and said: 'Indeed, accidental killing on purpose, is killing with a whip or stick, for which forty (she-camels) with their young in their wombs
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 45:93