1 Samuel 28:7-8

Saul then said to his attendants, “Find me a woman who is a medium, so I may go and inquire of her.” “There is one in Endor,” they said. So Saul disguised himself, putting on other clothes, and at night he and two men went to the woman. “Consult a spirit for me,” he said, “and bring up for me the one I name.”