Cynthia Marie Robison, 38, of Stockton, California, disappeared in October 2007 while traveling with a long-haul truck driver known only as Bob. She left Stockton with the driver and the pair went to Panama City, Florida, where Robison was arrested for reasons that have not been publicly detailed. She was released from custody on October 12, 2007, which is the last confirmed record of her whereabouts.

On October 15 a frantic call from a New Haven, Connecticut payphone to Robison’s mother ended abruptly after Robison said she had just witnessed the truck driver shoot someone. There is an unconfirmed sighting of her back in Stockton in November 2007. The investigation crosses multiple jurisdictions—California, Florida, Connecticut, and possibly West Virginia—complicating the inquiry and leaving key questions unresolved.