In 2019, Lambert launched a true-crime podcast documentary series about the murder of Kristin Smart, which led to arrests and ultimately a conviction in the 25-year-old case.

[3][4] Beginning September 30, 2019, Chris Lambert released a multi-episode documentary podcast series called Your Own Backyard.

[5] The podcast recounts, in detail, the disappearance and murder of Kristin Smart from the campus of California Polytechnic State University in May 1996.

[6][5] Renewed public interest led to a new billboard being put up in Arroyo Grande, California, in January 2020 to replace the original, which had been up since 1997.

[7] On April 13, 2021, the San Luis Obispo County sheriff announced two arrests in the case of the disappearance of Kristin Smart, and said the podcast had helped encourage witnesses to come forward with information.