That call remains the most heartbreaking, traumatic, and devastating moment of my life. Nothing had prepared me for losing a colleague in this way. Sergei had been killed because he had tried to do the right thing. He’d been killed because he’d worked for me. The guilt I felt and continue to feel permeates every cell of my body. When I was able to clear my mind from the fog of hysteria and sorrow, there was only one thing for me to do—put aside everything else in my life and devote all of my time, all of my resources, and all of my energy to making sure that anyone involved in Sergei’s false
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