Judges 17:2

And he said unto his mother, The eleven hundred shekels of silver that were taken from thee, about which thou cursedst, and spakest of also in mine ears, behold, the silver is with me; I took it. And his mother said, Blessed be thou of the Lord, my son.

Cross-reference

Proverbs 28:24 directly addresses robbing parents, mirroring the theft here; the son confesses while the proverb condemns such behavior.

Proverbs 29:24 warns that a thief's accomplice who hears a curse and stays silent harms himself — Micah instead confesses, doing the opposite.

Leviticus 5:1 gives the law about hearing a curse and failing to testify — Micah heard his mother's curse and confessed, fulfilling the obligation to speak.