Gustaf W. Olson, 51, was last seen in Sandwich, Massachusetts, on February 26, 2005. His vehicle was later found abandoned in a Cape Cod beach parking lot with some of his personal belongings inside. At the time of his disappearance Olson was described as a white male with graying hair and blue eyes, between 6 feet 0 inches and 6 feet 7 inches tall, weighing 250 to 275 pounds, wearing a gray sweatshirt, jeans, and a black cowboy hat.

The Sandwich Police Department opened the investigation and classified his case as an endangered missing person. Few details have been released publicly and there have been no significant leads or confirmed sightings reported since that winter day in 2005, leaving family and investigators without answers.

Did anyone in the Cape Cod area see Olson or his vehicle around February 26, 2005?