A young officer in my organization, Lyle Ahmad, was a solid, olive-skinned former marine with a trim crew cut. He was a clone, a close protection officer. I had met Ahmad when he was a marine guarding the U.S. embassy in Warsaw and I was an agent with the State Department's protection and investigation arm, Diplomatic Security, where I worked before joining my present outfit. He was quiet and sharp and boasted impressive multiple-language skills. He was a rising star in our organization. Driving