This case is every parents worst nightmare and one of Australia's longest missing persons case. On a hot summers day, even given Australia's weather, in January 1966 Jim and Nancy Beaumonts 3 children - 9 year old Jane, 7 year old Arnna and 4 year old Grant bordered a bus to nearby Glenlg Beach in Adelaide and disappeared off the face of the earth. To date it is the longest running missing persons case in Australia.