They saw where the man had climbed into the wagon, and followed to where they had found Frank beside the road, lying just as he had pitched forward from the wagon seat.
"I think," said Swan quietly, "we will go now and find out where that horse went last night." "A good idea," Lone agreed.

"Do you see how it was done, Swan?
When he saw the team coming, away back toward Echo, he rode down into that wash and tied his horse.

He was walking when Frank overtook him, I reckon--maybe claiming his horse had broke away from him.

He had a rock in his handkerchief.

Frank stopped and gave him a lift, and he used the rock first chance he got.