Printed in Dell's Brain Boy Comics #2, Jul-Sep 1962.
Matt Price, aka Brain Boy, receives a summons to the Society's office where Chris, his boss, tells him of a rash of airplane hijackings, 39 in the past year. The passengers were abandoned in a desert and the planes just disappeared. Price's job was to surveil outbound planes 'listening' for hijackers and then, if found, let it happen to locate all those missing planes.