The News 9 Investigators expose one of the most elaborate and long-running cons in Oklahoma history. It's called the Walling Heirs Association.
Organizers promise to make investors rich by splitting trillions of dollars in oil dividends.
Thousands of Oklahoma investors bought into it because they didn't know it was such a scam. Investors in this oil-revenue scheme come from all over the country, New Mexico, Texas, Arkansas, but Oklahoma is the center of it all. Since the 1920s, Van Zandt County, Texas has run rich with liquid gold. Unical alone has pumped a half-billion barrels of oil from the land. During the Civil War, a guy named John Walling owned the vast property and his name still appears on the original survey.