There was only the rush of the rain.
Fremont knew that the renegade would not be paid the reward until after conviction, and he did not believe that any jury would convict him.

It was not the fear of a penalty that had caused him to consent to flight, but the dread of the waiting in prison.

He had an idea that Big Bob knew that he could not secure the reward at all unless he succeeded in securing a confession, and that he had given this up.
Under these circumstances the renegade might not go to the trouble of taking him to the border.

Still, he seemed to be making for Texas with all secrecy and speed.

Was there some other motive for landing him on Texas soil?
The renegade had shown a strange familiarity with conditions in the Cameron building, and might be in some way interested in some other affair there.