Paul Holes! Paul is a scientist, and seasoned investigator, well known for using advanced methods of identifying a killer with DNA and genealogy technology. Since retiring in March 2018, he has contributed to books, television, and podcasts about true crime. He has a new book coming out called “Unmasked: My Life Solving America’s Cold Cases”. Paul tells us what surprised him the most about writing this book…and who was really “unmasked” in the process.