As you might expect from a website called magnum-mania, the top place in the list of America’s Top Sleuths goes to Thomas Magnum, the main character in Magnum, P.I. The show, which starred Tom Selleck as Magnum, ran from 1980 to 1988. Magnum was a private investigator in Hawaii. He lived in the guest house on Robin Masters’ estate, as security for… More Thomas Magnum