Rain was pouring down around my green car as a couple of my friends and I traveled up an endless forest road to the Dolly Sods Wilderness in West Virginia's Monongahela National Forest. Behind us, an unmarked white vehicle had been following us for what seemed to be 10 miles. Nervousness abounded because the weather was quickly deteriorating. Visibility became so poor that I stopped the car and carefully approached the white truck behind us.