Numbers 5:12-14

12“Speak to the Israelites and tell them, ‘If any man’s wife goes astray and behaves unfaithfully toward him,

13and a man has sexual relations with her without her husband knowing it, and it is hidden that she has defiled herself, since there was no witness against her, nor was she caught –

14and if jealous feelings come over him and he becomes suspicious of his wife, when she is defiled; or if jealous feelings come over him and he becomes suspicious of his wife, when she is not defiled –