Marcus's grip tightened slightly around the phone. "Get me everything on our last military operation," he said quietly. "Now."After a while, everything was delivered and Marcus read it calmly. His expression turned cold the moment he was done. He had spent years trying to put his military life behind him, and after finally retiring, he had no intention of allowing the past to drag him back into a world he had deliberately walked away from. Yet someone had just taken an operation he believed was long dead and brought it back into the present. Worse, one of the surviving soldiers had mentioned something that immediately caught Marcus’s attention. The attackers had used a particular combat technique, one Marcus recognized almost instantly. It was old, extremely dangerous, and supposed to have disappeared decades ago. Callum noticed the change in his expression. “You know that technique?” Marcus folded the report and handed it back to him. “I know enough.” “Should I investigat