Bible Verses About False Prophets: Influenced by evil spirits

And there came forth a spirit, and stood before the Lord, and said: I will deceive him. And the Lord said to him: By what means?

And he said: I will go forth, and be a lying spirit, in the mouth of all his prophets. And the Lord said: Thou shalt deceive him, and shalt prevail: go forth, and do so.