Joe Nickell, PhD, is senior research fellow of the Committee for Skeptical Inquiry (CSI) and âInvestigative Filesâ columnist for Skeptical Inquirer. A former stage magician, private investigator, and teacher, he is author of numerous books, including Inquest on the Shroud of Turin (1983), Pen, Ink and Evidence (1990), Unsolved History (1992) and Adventures in Paranormal Investigation (2007). He has appeared in many television documentaries and has been profiled in The New Yorker and on NBCâs Today Show. His personal website is at joenickell.com.