Numbers 35:22-24 defines unintentional killing exempt from death, contrasting with the intentional murder described here.

Numbers 35:30-33 reinforces the necessity to execute murderers and not accept ransom, expanding on this principle.

Genesis 9:5 establishes the principle of capital punishment for murder, which underlies the law here against intentional killing.

Genesis 9:6 provides the theological basis for capital punishment — the image of God requires blood for blood, applied here in Numbers 35:16.

Exodus 21:12-14 introduces the distinction between premeditated murder and accidental killing, which Numbers 35:16 assumes with the iron weapon as evidence of intent.

Leviticus 24:17 states the same capital punishment for murder, reinforcing the principle that Numbers 35:16 applies to iron weapons.

Deuteronomy 19:11-13 applies this principle: the intentional murderer cannot find refuge and must be executed.

Exodus 20:13 gives the overarching command 'You shall not murder,' which Numbers 35:16 enforces with the death penalty for murder with an iron weapon.

Matthew 5:21 references the OT murder law that Numbers 35:16 specifies, which Jesus then expands to include anger as murder.

Exodus 21:18 deals with non-lethal injury from a quarrel, contrasting with the lethal intent implied by an iron weapon in Numbers 35:16.

Deuteronomy 17:8 addresses complex legal cases, including bloodshed, implying that not all murder cases are as straightforward as the iron weapon scenario in Numbers 35:16.