"And whoever kills a believer intentionally, his recompense is Hell" [Nisa 4:93]. He said, "That is his recompense, but if Allah wishes to pardon him, He will do so."
حدثنا أحمد بن يونس حدثنا أبو شهاب عن سليمان التيمي
{ومن يقتل مؤمنا متعمدا فجزاؤه جهنم} قال هي جزاؤه فإن شاء الله أن يتجاوز عنه فعل
No references are available.
[Its chain of transmission is daif]. Bayhaqi also narrated it, 8/16, from the hadith of Abu Dawud through the same chain. Sulayman Taymi was a mudallis and he narrated it with "an" (indicating possible concealment of a defect in the chain).