The people repented them for Benjamin; were yet more grieved upon this unhappy disappointment, for they supposed here would have been wives sufficient for them. The Lord had made a breach; the Benjamites were the only authors of the sin, but God was the chief author of the punishment, and the Israelites were but his executioners.
Related Commentaries of Judges 21:15
Judges 21:15
15 And the people repented them for Benjamin, because that the LORD had made a breach in the tribes of Israel.