Deuteronomy 19:12

19:12 The elders of his own city must send for him and remove him from there to deliver him over to the blood avenger ¹  to die.

Deuteronomy 21:19

21:19 his father and mother must seize him and bring him to the elders at the gate of his city.

Deuteronomy 25:8

25:8 Then the elders of his city must summon him and speak to him. If he persists, saying, “I don’t want to marry her,”

[19:12]  ¹ tn The גֹאֵל הַדָּם (go’el haddam, “avenger of blood”) would ordinarily be a member of the victim’s family who, after due process of law, was invited to initiate the process of execution (cf. Num 35:16-28). See R. Hubbard, NIDOTTE 1:789-94.