Donegan shook his head. "Now, hold on," he said. "You're getting all worked up about this. It's your first time with this stakeout business, that's all. But you can't kill him. You can't kill except when really necessary. You know that."

"All right. But if he's going to kill me—"

"That doesn't make it necessary, not this time," Donegan said. "This vengeance syndrome doesn't last forever, you know. Block it, and you're through with it. And think how much more effective it is, letting Fredericks go back alive to tell the tale."

"Think how much more effective it would be," he said, "if Fredericks managed to get me."

"He won't," Donegan said.

"But without weapons—"

"No Psi Operative carries weapons," Donegan said. "We don't need them. We're supermen ... remember?"

He twisted his face with a smile. "Easy for you to talk about it," he said. "But I'm going to have to go out and face it—"

"We've all faced it," Donegan said. "When I was an Operative I went through it, too. It's part of the job."

"But—"