couple of hitchhikers at a bridge someplace, recognized one of the hitchhikers. Said the hitchhiker'd been staying at my house. That's you, Howard. Don't lie; he described you. Pudgy, kind of a squinty look in the eyes, dressed like a bum—oh, it was you, all right." "Wait a minute. Nobody knows you've come here, right? Not even Auntie?" "No, course not. She didn't see the picture, so how would she know? Would've said something if she had. Now come on, Howard, we've got to go to the police and—" "Uncle Lester!" The little man paused and looked at him suspiciously. But that was all right; Mooney began to feel confidence flow back into him. It wasn't all over yet, not by a long shot. "Uncle Lester," he said, his voice low-pitched and persuasive, "I have to ask you a very important question. Think before you answer, please. This is the question: Have you ever belonged to any Communist organization?" The old man blinked. After a moment, he exploded. "Now what are you up to, Howard? You know I never—" "Think, Uncle Lester! Please. Way back when you were a boy—anything like that?" "Of course not!" "You're sure? Because I'm warning you, Uncle Lester, you're going to have to take the strictest security check anybody ever took. You've stumbled onto something important. You'll have to prove you can be trusted or—well, I can't answer for the consequences. You see, this involves—" he looked around him furtively—"Schenectady Project." "Schenec—" "Schenectady Project." Mooney nodded. "You've heard of the atom bomb? Uncle Lester, this is bigger!" "Bigger than the at—" "Bigger. It's the molecule bomb. There aren't seventy-five men in the country that know what that so-called driver in the truck was up to, and now you're one of them." Mooney nodded soberly, feeling his power. The old man was hooked, tied and delivered. He could tell by the look in the eyes, by the quivering of the lips. Now was the time to slip the contract in his hand; or, in the present instance, to— "I'll tell you what to do," whispered Mooney. "Here's my key. You go up to my room. Don't knock—we don't want to attract