Robert Stack
Career
citation needed] He began hosting Unsolved Mysteries in 1987. He thought very highly of the interactive nature of the show, saying that it created a "symbiotic" relationship between viewer and program, and that the hotline was a great crime-solving tool. Unsolved Mysteries aired from 1987 to 2002, first as specials in 1987 (Stack did not host all the specials, which were previously hosted by Raymond Burr and Karl Malden), then as a regular series on NBC (1988–1997), then on CBS (1997–1999) and finally on Lifetime (2001–2002). Stack served as the show's host during its entire original series run.
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