Contradiction with Proverbs 3:29
While Genesis 44:5 involves deceiving Joseph's brothers, Proverbs 3:29 advises against plotting harm against a neighbor who trusts you.
Proverbs 3:29: Devise not evil against thy neighbour, seeing he dwelleth securely by thee. [Devise...: or, Practise no evil]
Contradiction with Leviticus 19:11
Genesis 44:5 describes deceit through the accusation of theft, but Leviticus 19:11 commands not to steal or deal falsely.
Leviticus 19:11: Ye shall not steal, neither deal falsely, neither lie one to another.
Contradiction with Zechariah 8:17
Genesis 44:5 involves plotting against Joseph’s brothers, which contradicts Zechariah 8:17’s advice to not plan evil in your heart against your neighbor.
Zechariah 8:17: And let none of you imagine evil in your hearts against his neighbour; and love no false oath: for all these [are things] that I hate, saith the LORD.