Parashas Masei · Passuk 35:24 · TT note 1
Chabad.org — English translation + Rashi
Torah Temimah points to Yerushalmi Sanhedrin 3:9 (TT note on “וְשָׁפְטוּ הָעֵדָה”).
English: The school of Rabbi Yishmael taught: “The congregation shall judge… and the congregation shall rescue” — so that the congregation be neither relatives of the striker nor relatives of the one struck.
Disqualification of relatives from the judging assembly.
The court that judges between killer and blood-avenger may not include kin of either party.