"This is one sophisticated little baby!" he announced. "This has GOT to be an agency device. It's a return tripper. It works on barometric pressure. It was installed when the car was coming down the mountain and activated. As long as he didn't go above the altitude it had been armed at, it wouldn't go off, but the moment he went even a foot higher in elevation...BOOM! Absolute pure and despisable nasty!"
"Moore couldn't have gotten ahold of a device like that!" the sheriff stammered.
"The dynamite is from the missing lot," the trooper announced. "Somebody either gave this little baby to him, or he gave them the dynamite..."
"But WHO?" the sheriff asked.
"I think I might know," Hatfield answered.

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