Chapter 41: Types of Blood-Wit (Kitab Al-Diyat)
Narrated 'Abd al-Rahman b. Bujaid: I swear by Allah, Sahl had a misunderstanding about this tradition. The Messenger of Allah (ﷺ) wrote to the Jews: A slain man has been found amongnst you, so pay his bloodwit. They wrote (to him): Swearing by Allah fifty oaths, we neither killed him nor do we know his slayer. He said: Then the Messenger of Allah (ﷺ) himself paid his bloodwit which consisted of one hundred she-camels.
Sunan Abi Dawud 4525