“Go out and tackle him—shall we? Have a talk. Find out who he is.”

“No!” Jane protested.

“Why not? Don’t you worry, Jane. Right here in the public street—and we’re both armed. He’s only a man.”

But was he only a man?

“We’ll have a go at it,” said Don abruptly. He rose from his seat. “Come on, Jane, I’ll take you to the Blakinsons.”

“Hurry it up!” I said. “He’s leaving! We’ll lose him!”

The fellow seemed about to wander on along the street. Don brought Jane over to the Blakinsons’ table which was at the back of the restaurant. We left our check with her and dashed for the street.

“Where is he? Do you see him?” Don demanded.

He had gone. But in a moment we saw him, his white cap towering above the crowd down by the drugstore at the corner.

“Come on, Don! There he is!”