By no means is juggling/wrestling with a text a weakness. It is very much warranted in many texts and I appreciate your well thought out response. I just don't agree with it. If it was a "demon" or "unclean spirit," why did the Holy Spirit leave out that detail? This verse is pretty straight forward, "Then Saul knew that it was Samuel." It does not read, "Saul thought or guessed that it was Samuel." The verse in Deuteronomy you have in bold I do not believe sheds light on this particular text. This medium or as a literal translation would render her title, "mistress of the spirit of the dead" was not luring anyone to worship foreign gods but rather gave a prophecy or a judgment, I believe from God, that came to fruition.