15: Zachary Bernhardt

Zachary Bernhardt, an eight-year-old boy, was reported missing by his mother Leah Hackett in the early hours of September 11, 2000. Leah had put Zach to bed but left for a walk and swim around 4 a.m., returning to find him gone. Police found Leah's behavior suspicious, but she was never named an official suspect. As the case unfolded, various leads and suspects emerged, including a local pedophile who bragged about abducting children. A year later, a disturbing photo of a bound boy resembling Zach was discovered, but it was never confirmed to be him. Despite extensive searches over the years, no trace of Zach has been found. His case has become the longest-running Amber Alert in California, highlighting a lack of closure and ongoing pain for his family. Leah eventually moved to Hawaii and has remained largely out of the public eye since Zach's disappearance. As of today, Zach would be 29 years old. The episode wraps up with police urging anyone with information to step forward, asserting that someone must know what happened that night.