Four years have passed since 24-year-old geologist Daniel Robinson vanished from a Buckeye desert worksite. Despite his Jeep being found a month later, he remains missing, with Buckeye Police ...

New investigators are examining forensic evidence in the cold case of Daniel Robinson, a geologist who vanished in 2021, while his father searches the Arizona desert.

Saturday morning marks the 50th search for Daniel Robinson. His case has touched Gabby Petito's family, and the two families are teaming up this weekend.

12News hears from Robinson's father, who is still searching for his son four years after the mysterious disappearance.

Gabby Petito’s father joins search for missing Arizona geologist Daniel Robinson Joseph Petito has joined the search for long-missing Arizona geologist, Daniel Robinson.© David Robinson ...

David Robinson, who has been working tirelessly to ensure that his son’s case isn’t forgotten, says he’s still fighting for answers three years after Daniel’s disappearance.