Sunan an-Nasai 19610
In-book no 4874أَخْبَرَنَا أَزْهَرُ بْنُ جَمِيلٍ، قَالَ حَدَّثَنَا خَالِدُ بْنُ الْحَارِثِ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنِ الْمُغِيرَةِ بْنِ النُّعْمَانِ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، قَالَ اخْتَلَفَ أَهْلُ الْكُوفَةِ فِي هَذِهِ الآيَةِ { وَمَنْ يَقْتُلْ مُؤْمِنًا مُتَعَمِّدًا } فَرَحَلْتُ إِلَى ابْنِ عَبَّاسٍ فَسَأَلْتُهُ فَقَالَ نَزَلَتْ فِي آخِرِ مَا أُنْزِلَتْ وَمَا نَسَخَهَا شَىْءٌ .
It was narrated that Sa'eed bin Jabair said: "The people of Al-Kufah differed concerning this verse: 'And whoever kills a believer intentionally. So I went to Ibn 'Abbas and asked him, and he said: 'It was revealed among the last of what was revealed, and nothing of it was abrogated after that.