December 20, 2020
On May 24, 1977, authorities in Arizona were thrust into a deadly case of missing persons โ and missing money. On that Tuesday morning, Russell Dempsey and Cecil Newkirk, Purolator security guards in an armored car carrying $330,000, left Phoenix for the approximately 100-mile drive mostly along Interstate 17 to their first stop at a bank in Prescott.ย When the couriers didnโt arrive at their destination, FBI agents considered various scenarios, they told โKiller Siblings,โ airing Sat...