"If not—well don't let us dwell on unpleasant subjects. I want you to ride with these gringos. Listen to all that they say. Talk to them and learn from them all that you can."

"Of what?"

"Of their destination—of where they are going—what they are going to do when they get there, and so on. You understand?"

"Perfectly senor. But they have paid me well and promised more.
Senor Bell is a good man. He is—"

"Will you do what I tell you?"

The voice was sharp and imperious.

"Senor, I would do much for you. But this—"

The Mexican spread his hands helplessly.

"I cannot. It would be too bad a thing to do."

"Very well. I'll call Cash Dallam. Tell him who you are and how it was you who was concerned in the theft of those horses from Diablo River. You know what would happen to you then. You know—"