"I can turn out in ten minutes, sir," he said.
"Then," and Sergeant Stimson raised his voice a trifle, "you will ride at once to the rise a league outside the settlement, and watch the Montana trail.

Courthorne will probably be coming over from Winston's soon after you get there, riding the big black, and you'll keep out of sight and follow him.

If he heads for Carson's Crossing, ride for Graham's at a gallop, where you'll find me with the rest.

If he makes for the bridge, you will overtake him if you can and find out what he's after.

It's quite likely he'll tell you nothing, and you will not arrest him, but bearing in mind that every minute he spends there will be a loss to the rustlers you'll keep him as long as you can.