Hadith #3571 (Sunan Abi Dawud)
Book: The Office of the Judge (Kitab Al-Aqdiyah)
Narrator(s): Abdullah ibn Ja'far, Abdur Rahman bin Harmaz al-A'araj عبد الرحمن بن هرمز الأعرج أبو داود, Abu Hurairah, Nasr bin 'Ali bin Nasr bin 'Ali, Sa'id bin Abi Sa'id, Uthman bin Muhammad bin al-Mughira عثمان بن محمد بن المغيرة بن الأخنس
Grade: Sahih

The Prophet (ﷺ) said: He who has been appointed a judge has been killed without a knife.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-3571/