It took me longer than it should have to realize one simple truth: humanity has a blind spot, and hiding in it are living nightmares. It was 3 in the morning. It was quiet there, except for the cold wind. No moon lit the sky, granting the mountains a blanket of darkness that would have been wholly pure if not for my van’s headlights and the dim stars above. I shivered, then retrieved my black coat and shrugged it on along with a black woolen hat. The seal of the U.S. Fish and Wildlife Service was vaguely visible on the driver door. I opened the back of the van and began to prepare the equipment organized there, first by slipping…