Inside were a voice recorder and a letter. The letter was from Walter."Ms. Carter, by the time you receive this letter, I'll probably be dead. There are things I need to tell you, about Billy and about myself. I'm not a border trader, and I'm not a police informant. I was once a father, too."My son was a few years older than Billy. He was a bright boy who got into a prestigious university. The year he graduated, he was lured to Northern Marova by the promise of a high-paying job. He never came home."I spent ten years looking for him. In the end, all I found were his bones in a mass grave. I hated those monsters for what they'd done, and I hated myself for being powerless to stop them."After that, I stayed near the border and began keeping watch on the human traffickers. I couldn't save everyone, but I was determined to save as many as I could."The day I met Billy, he was preparing to die in your place. When I looked at him, I saw my own son as he'd been all those years ago.
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