"Casey," a voice whispered urgently into my ear. "Casey, wake up! They found us!"

It was Derek. I was instantly awake.

"What's going on?" I asked in a low voice, sitting up.

"I don't know, but Trevor heard voices outside," Derek began, helping me to my feet. "He and Scott took a look outside the cave and he saw them."

"Who? The insurgents?" I whispered, instantly on alert.

Derek just nodded, holding a finger to his lips. "Go with the others to the ...