He had feared that the man might have been so frightened by the drunken horseman as to light out.

Patsy had now been studying the man for several days.

“I can’t make him out,” he said to himself, “but I don’t believe he’s a regular crook.”

The detective was inclined to think that Snell had been up to crooked work, but that he was new to it.

He went back to his lodging almost at once, and watched.

Snell came to the door of Bronco Bill’s and stood there a moment, looking up and down the street.

“He wants to walk for exercise,” thought the waiting detective, “but he doesn’t dare to get far away, for he’s expecting somebody. I won’t bother to follow him.”

So Snell that morning took his walks alone.

They were not long ones.