It was narrated from Salim bin abi Ja'd that:Ibn 'Abbas was asked about someone who killed a believer deliberately then he repented, believed and did righteous deeds, and followed true guidance. Ibn 'Abbas said: "There is no way he could repent! I heard your Prophet say; He (the victim) will come hanging onto his killer with his jugular veins flowing with blood and saying: "Ask him why he killed me." Then he said: "by Allah, Allah revealed it and never abrogated anything of it
Hadith 4867 — Sunan an Nasai 45:162
SahihSahihHasan
أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ أَنْبَأَنَا النَّضْرُ بْنُ شُمَيْلٍ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي بَكْرٍ، قَالَ سَمِعْتُ أَنَسًا، يَقُولُ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ح وَأَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ الأَعْلَى قَالَ حَدَّثَنَا خَالِدٌ قَالَ حَدَّثَنَا شُعْبَةُ عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي بَكْرٍ عَنْ أَنَسٍ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " الْكَبَائِرُ الشِّرْكُ بِاللَّهِ وَعُقُوقُ الْوَالِدَيْنِ وَقَتْلُ النَّفْسِ وَقَوْلُ الزُّورِ " .
It was narrated that 'Ubaidullah bin abi Bakr said:"I heard Ana's say: 'The Messenger of Allah said: 'the major sins are; associating others with Allah (shirk), disobeying one's parents, killing a soul (murder) and speaking falsely
It was narrated from 'Abdullah bin 'Amr that the Prophet said:"The major sins are: associating others with Allah, disobeying parents, killing a souls (murder) and swearing a false oath knowingly
It was narrated that Ibn 'Abbas said:"The Messenger of Allah said: 'No one who commits Zina is a believer at the moment when he is committing Zina, and no one who drinks wine is a believer at the moment when he is drinking it, and no thief is a believer at the moment when he is stealing, and no killer is a believer at the moment he is killing