How can $2 million in diamonds vanish? First, the diamonds were assessed to make sure they were authentic. Then, in front of witnesses, they were placed in a locked cabinet. Under guard, the cabinet with the diamonds was loaded into an armored car and transported to a jewelry assessor. When the cabinet arrived at the secure room of the jewelry assessor in Kansas City, Missouri, the diamonds were gone! Detective Heinz Noonan is called to Sioux Falls, South Dakota, to find the departed diamonds. He follows the gems, step by step, from the bank vault to the jewelry assessor’s secure room using witness statements and security footage. His task is to determine who masterminded the theft before the insurance company has to pay for the loss. All of the clues are revealed in the novel to see if you, the reader, can solve The Matter of the Departed Diamonds faster than Detective Heinz Noonan!