The men returned to the cycles and told the two women the plan. They grinned in anticipation. The trio walked their bikes until they were just a bend in the road from the camp before kick starting the machines and rolling in.

Rod was in the SUV looking for a bag of charcoal and Becky was in their tent nearby. When the motorcycles roared to life and came into their camp site, they barely had time to react. Rod exited the vehicle and moved protectively near his wife.

The bikers killed their engines and all five visitors climbed off. "Howdy, folks," Luther said in a jaunty manner. "It appears we...