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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
muslim:1751a – Yaḥyá b. Yaḥyá al-Tamīmī > Hushaym > Yaḥyá b. Saʿīd > ʿUmar b. Kathīr b. Aflaḥ

Abu Muammad al-Ansari, who was the close companion of Abu Qatada. narrated the hadith (which follows).  

مسلم:١٧٥١a – حَدَّثَنَا يَحْيَى بْنُ يَحْيَى التَّمِيمِيُّ أَخْبَرَنَا هُشَيْمٌ عَنْ يَحْيَى بْنِ سَعِيدٍ عَنْ عُمَرَ بْنِ كَثِيرِ بْنِ أَفْلَحَ

عَنْ أَبِي مُحَمَّدٍ الأَنْصَارِيِّ وَكَانَ جَلِيسًا لأَبِي قَتَادَةَ قَالَ قَالَ أَبُو قَتَادَةَ وَاقْتَصَّ الْحَدِيثَ  

See similar narrations below:

Collected by Aḥmad
ahmad:22518 – Hushaym > Yaḥyá b. Saʿīd > ʿUmar b. Kathīr b. Aflaḥ

[Machine] From Abu Muhammad Jalees, a companion of Abu Qatadah, he said: Abu Qatadah informed us that the Messenger of Allah ﷺ said, "Whoever establishes evidence against a killer, then he is entitled to his property."  

أحمد:٢٢٥١٨ – حَدَّثَنَا هُشَيْمٌ حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ عَنْ عُمَرَ بْنِ كَثِيرِ بْنِ أَفْلَحَ

عَنْ أَبِي مُحَمَّدٍ جَلِيسٍ كَانَ لِأَبِي قَتَادَةَ قَالَ حَدَّثَنَا أَبُو قَتَادَةَ أَنَّ رَسُولَ اللهِ ﷺ قَالَ مَنْ أَقَامَ الْبَيِّنَةَ عَلَى قَتِيلٍ فَلَهُ سَلَبُهُ