Num 35:30-31 | ESV | STEP | If anyone kills a person , the murderer shall be put to death on the evidence of witnesses . But no person shall be put to death on the testimony of one witness .

a Deut. 17:6; 19:15; Heb. 10:28; [Matt. 18:16; John 8:17; 2 Cor. 13:1; 1 Tim. 5:19]

Numbers 35:30-31

30 “If anyone kills a person, the murderer shall be put to death on the ^aevidence of witnesses. But no person shall be put to death on the testimony of one witness. 31 Moreover, you shall accept no ransom for the life of a murderer, who is guilty of death, but he shall be put to death.