Unsolved: The Disappearance of Daniel Robinson
Aug 4, 2026 · 1h 8m
Summary
This episode investigates the 2021 disappearance of hydrogeologist Daniel Robinson in the Arizona desert. Hosts discuss his final days, a contentious relationship with a woman named Caitlin, and the discovery of his crashed Jeep in a remote ravine. The narrative highlights significant discrepancies between police reports and accounts from Daniel’s father and a local rancher regarding the search and forensic handling of the scene.
Topics discussed
Introduction and episode overview
Context: Daniel Robinson's disappearance and media coverage
The day Daniel went missing: Job site and initial disappearance
Daniel Robinson's background and family life
Initial police response and missing person report
Clue 1: Relationship with Caitlin and text message history
Clue 2: Phone pings and Jeep Connect system limitations
Clue 3: Apartment search and conflicting forensic findings
Clue 4: Bank records, Uber trips, and gas station visit
Discovery of the abandoned Jeep and delayed notification to family
Clue 5: Items found in the Jeep and crash scene analysis
Clue 6: Event Data Recorder (EDR) and vehicle black box data
Clue 7: Final phone calls and concerning Google search history
Private investigator Jeff's analysis and second crash theory
Clue 8: Odometer discrepancy and ignition start attempts
Clue 9: MileIQ app data confirming vehicle location
Clue 10: Witness Billy Hayes and conflicting timelines
Theories, groundwater controversy, and advocacy efforts
Missing person alert for Rhoda and episode conclusion
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