Crime House 24/7 Crime House 24/7

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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