"Listen before you do anything," said Fraser harshly. "I know you tried to bring Jim Sworsky under the influence. You asked him for top-secret data. A few hours ago, you handed the file he brought you on to Bryce, who's no doubt at the Amtorg offices this minute. That's high treason, Kennedy; they execute people for doing that."
The psychologist slumped back.
"Don't try to have your bully boys get rid of me," said Fraser. "Sworsky is sitting by the phone, waiting to call the FBI. I'm the only guy who can stop him."
"But—" Kennedy's tongue ran around his lips. "But he committed treason himself. He gave me the papers!"
Fraser grinned. "You don't think those were authentic, do you? I doubt if you'll be very popular in the Soviet Union either, once they've tried to build machines using your data."
Kennedy looked down at the floor. "How did you do it?" he whispered.
"Remember Ferris? The guy you fixed up for me? He owns a share of your next-door neighbor, the Messenger Advertising Service. I fed him a song and dance about needing an office to do some important work, only my very whereabouts had to be secret. The Messenger people were moved out without anybody's knowing. I installed myself there one night, also a simple little electric oscillator.
"Encephalography is damn delicate work; it involves amplifications up to several million. The apparatus misbehaves if you give it a hard look. Naturally, your lab and the machine were heavily shielded, but even so, a radio emitter next door would be bound to throw you off. My main trouble was in lousing you up just a little bit, not enough to make you suspect anything.
"I only worked at that during your calibrating sessions with Sworsky. I didn't have to be there when you turned the beam on him, because it would be calculated from false data and be so far from his pattern as to have no effect. You told me yourself how precise an adjustment was needed. Sworsky played along, then. Now we've got proof—not that you meddled with human lives, but that you are a spy."
Kennedy sat without moving. His voice was a broken mumble. "I was going to change the world. I had hopes for all humankind. And you, for the sake of one woman—"