April 10, 2001, an explosion rocked a cozy Scottsdale neighborhood. The mother of the family, along with her children, were discovered murdered inside. The father, Robert Fisher, disappeared -- and may still be out there, somewhere. Join Ben and Matt as they welcome Jon Walczak, the creator and host of the Missing series, to learn more about his newest work Missing in Arizona, and the techniques he's using to search for one of the most wanted men in the world.

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