CBS has shelled out a big pilot production commitment to Magnum P.I., an update of the classic 1980s Tom Selleck series set in Hawaii. It hails from Peter Lenkov, CBS/CBS Studios’ go-to writer for rebooting iconic procedurals who has successfully revived Hawaii Five-0 and MacGyver, and Davis Entertainment (The Blacklist). Co-written by Lenkov and fellow Hawaii Five-0 executive producer/showrunner Eric Guggenheim, Magnum P.I.