“But why did he do it? Why did he hide and let everybody think he had ‘gone West?’” Bob demanded.

“Don’t you remember—crossed wires?” Curt reminded him.

That had to be explained.

“So someone crossed wires that were scraped nearly bare, in Arthur’s own ship!” Mr. Parsons was dismayed. “That proves his suspicion that somebody meant harm to him. And that is what we hid him away to discover. If the accidents ceased with his disappearance, he was in danger; if not, the damage was aimed at the aircraft company.”

“But you haven’t found out why he was in danger—or from whom?” declared Curt.

“No,” admitted the partner. Al, fired with enthusiasm, added:

“But we will!”

Mr. Parsons was not so sure.

CHAPTER XXX
BARNEY GIVES A HINT

While the quintet waited for the taxicab which Mr. Parsons summoned from town, Griff put the money back in the safe, thankful for his escape. Bob, Curt and Al expressed their elation that he was freed from suspicion, and Barney arrived.