Nicole, just 24, had become the military’s best-kept secret, known only by her code name, Shadow. Her reputation among the elite special forces was legendary. With an incredible record of eliminating high-value targets without being detected, she possessed an expertise few could match. The aura of mystery that surrounded her was amplified by the whispered respect from veteran operators: Marine snipers spoke of her with reverence, and Delta Force agents viewed her with a mixture of awe and admira