Josh Mankiewicz sits down with Andrea Canning to talk about her latest episode, “Chameleon.” When Fran Gladden Smith went missing from her New Jersey home in 1991, police had their eyes on her husband, John Smith. Over the course of their investigation, they discovered that Fran wasn’t the first of John’s wives to go missing. Suddenly, one case became two, and a decades-long search for justice ensued. Josh and Andrea discuss the dedication of Fran’s family in trying to solve both cases, and Andrea shares a podcast-exclusive clip from a taped phone call with John Smith. Plus, Andrea answers viewer and listener questions about the episode.

When a New Jersey woman goes missing, investigators uncover her husband’s chilling history, including dark secrets about another missing wife. Andrea Canning reports.

Andrea Canning interviews Josh Mankiewicz about his newest episode, “Evil Walked Through the Door.” The 1983 murders of Toronto women Erin Gilmour and Susan Tice four months apart left police stumped for nearly four decades.Finally, a breakthrough in investigative techniques led detectives to a freezing town in northern Canada in search of their killer. Josh and Andrea discuss the different ways of handling grief highlighted in the episode, and Josh plays a podcast-exclusive clip from his interview with Erin Gilmour’s brother. Josh describes his chilly journey to Moosonee, Ontario, and Andrea explains how, as a native of Canada, she no longer has a Canadian accent. Then, Josh answers viewer and listener questions about the episode.

Watch Josh’s travelogue of his journey to get the story here: https://x.com/DatelineNBC/status/1781106464355938813