2 Samuel 21:9
And he delivered them into the hands of the Gibeonites, and they hanged them in the hill before the Lord: and they fell all seven together, and were put to death in the days of harvest, in the first days, in the beginning of barley harvest.
Cross-reference
In 2 Samuel 21:10, Rizpah guards the bodies from birds and beasts, continuing the narrative of the executed sons.
In 2 Samuel 4:12, David hangs the murderers of Ish-bosheth by the pool — another instance of hanging as a public statement.
Exodus 20:5 states God visits fathers' sins on children—this principle explains why Saul's descendants suffer for his covenant breach.
Numbers 25:4 commands hanging the chiefs before the LORD for idolatry—a similar execution ritual 'before the LORD' for communal sin.
Deuteronomy 21:22 prescribes hanging after execution for a capital offense — the Gibeonites follow this practice with Saul's sons.
Deuteronomy 21:1-9 prescribes a ritual for unsolved murder atonement—here the Gibeonites take direct vengeance instead, a contrasting application.
In Joshua 10:26, Joshua hangs defeated kings on trees — a similar public display of judgment after execution.