WORKING FROM HOME WAS a luxury Edward had rarely afforded himself, and he wished that he had done it more often. He put his pen down. The picture of Karen on the shelf above his desk forced him to reflect. “Would it have made a difference if I’d stayed home that evening?” he whispered under his breath. Taking in a deep breath and letting it out slowly, he rolled his chair closer to his desk and picked up his cell. Anxious to get the powder samples into Grynberg’s hands for testing...