2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
Chapter 18
21And he said, I will go out, and be a lying spirit in the mouth of all his prophets. And the LORD said, Thou shalt entice him, and thou shalt also prevail: go out, and do even so.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.