ENOfficial
Jabir reported God’s Messenger as saying, “I will not forgive any-one who kills after accepting blood wit.” Abu Dawud transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ جَابِرٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَا أُعْفِي مَنْ قَتَلَ بعدَ أَخذ الديةِ» . رَوَاهُ أَبُو دَاوُد
sunnah.com