Mollie Burkhart (right) with sisters Anna (center) and Minnie (left). (Credit: David Grann)
When members of the incredibly wealthy Osage Nation started dropping dead of mysterious ailments in 1920s Oklahoma, few people in state power paid it much mind. After all, many of those who could do something about it were benefitting from the deaths.
Eventually, with the help of a still-evolving agency called the FBI, federal authorities uncovered an unthinkable conspiracy known today as the Reign of Terror.