He would have to act, and act promptly.
He did not dare go away while that menacing figure remained on guard.

The police, no doubt, would drive him away in time, but he would come back again.

So Simmy Dodge squared his shoulders and marched across the street, to face what might turn out to be a ruthless lunatic--the kind one reads about, who kill their best friends, "and all that sort of thing." It was quite apparent that the watcher had been observing him.

As Simmy came briskly across the street, Tresslyn moved out of his position near the awning and started westward, his shoulders hunched upward and his chin lowered with the evident desire to prevent recognition.

Simmy called out to him.