Parallel
Numbers 35:31
Swete's Septuagint · Berean Standard Bible
καὶ οὐ λήμψεσθε λύτρα περὶ ψυχῆς παρὰ τοῦ φονεύσαντος τοῦ ἐνόχου ὄντος ἀναιρεθῆναι, θανάτῳ γὰρ θανατ·ωθήσεται.
You are not to accept a ransom for the life of a murderer who deserves to die; he must surely be put to death.