The history

Created by John Cosgrove and Terry Dunn Meurer, “Unsolved Mysteries” began in 1985 as a series of three specials — basically televised versions of milk carton alerts — titled “Missing ... Have You Seen This Person?” The specials proved successful enough to expand the concept into something encompassing different kinds of mysteries, including unsolved crimes, lost loves, paranormal activity and alien abductions.

Raymond Burr hosted the pilot of “Unsolved Mysteries” in January 1987, followed by two more specials hosted by Karl Malden and another four hosted by actor Robert Stack. In 1988, NBC turned the program into a weekly offering and made Stack the full-time