According to your precious story, Foy was leaving before Marr was killed--or before you say Marr was killed.

Why don't you look for him with the Bar Cross round-up?
There's where he started for, you say ?" "I wired up and had a trusty man go out there quietly at once.

He's staying there still--quietly," said the sheriff.

"Foy isn't there--and the Bar Cross hasn't heard of the killing yet.

It won't do, Major.
Foy's run away." John Wesley Pringle, limp, slack, and rumpled in his chair, yawned, stretching his arms wide.
"This man Foy," he ventured amiably, "if he really run away, he done a wise little stunt for himself, I think.