Hadithcore
Mishkat al-Masabih, 3501

He said, on his father’s authority, that his grandfather reported the Prophet (ﷺ) as saying, “Blood wit for what resembles intentional murder is to be made as severe as that for intentional murder, but the Culprit is not to be killed.” Abu Dawud transmitted it.

وَعَنْهُ عَنْ أَبِيهِ عَنْ جَدِّهِ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «عَقْلُ شِبْهِ الْعَمْدِ مُغَلَّظٌ مِثْلُ عَقْلِ الْعَمْدِ وَلَا يُقْتَلُ صاحبُه» . رَوَاهُ أَبُو دَاوُد

References1 variant
In-Book Reference
Book 16, Hadith 49