Allison DuBois (born January 24, 1972) is an American author and alleged medium. DuBois has used her claimed psychic abilities to assist U.S. law enforcement officials in solving crimes, forming the basis of the TV series Medium. Her powers as a medium were tested by Gary Schwartz of the University of Arizona. Schwartz claimed that his research supports DuBois's psychic abilities, while skeptics have pointed out flaws in both DuBois's claims and Schwartz's research. She claims she has visions, o…