(29) باب تَحْرِيمِ الْقَتْلِ
It was narrated that Masruq said:
"The Messenger of Allah [SAW] said: 'I do not want to see you after I am gone reverting to disbelievers, striking the necks of one another (killing one another). No man is punished for the crime of his father, or the crime of his brother.'" This is correct.
Reference: Sunan an-Nasa'i 4128
In-book reference: Book 37, Hadith 163
English translation: Vol. 5, Book 37, Hadith 4133