Fredda Leving sank her head back on the pillow and gave thanks that the interrogation was over.

Though she had no doubt that the trouble had barely begun.

ALVAR Kresh shook his head and patted Donald on the shoulder as they stepped out into the hallway. A few steps away from Leving’s door, he stopped and turned toward the robot. “I don’t know, Donald. Sometimes I think I ought to quit and have them make you Sheriff. How the devil did I fail to notice she had no personal robot?” he asked.

“It did not occur to me until we were in the hospital room, sir. I might also point out that humans are in the habit of ignoring robots, while robots must of course notice each other. Besides, there is the old saying about the dog that didn’t bark. It is always more difficult to notice what is missing, rather than what is there.”

“All the same, that was a vital question. We’re going to watch the recording of that first lecture the moment we’re home, and the devil take the hour. Nice work.”

“Thank you, sir. I would suggest, however, that confirming the name ‘Caliban ‘ is the more useful piece of information,” Donald said modestly. “We now have a direct, definite link. The two cases are one. The robot Caliban who vanished from the lab is the robot identified as Caliban by Santee Timitz at the arson site.”

“But what in the Nine Circles of Hell does itmean?” Kresh asked. “What is going on?” He looked over Donald’s shoulder. “Wait a second,” he said. “Donald-behind you-is that-”

“Yes, sir. Jomaine Terach. The gentleman with him is, I believe, Gubber Anshaw, though the only police photos we have of him are of poor quality. I noted them on our way in.”

“The robots on guard know to keep them out?”

“They are following standard procedure in such cases, in accordance with the law. To prevent any attempt at intimidation, no person associated with the case may talk with the victim of an assault until such time as statements are received from that person and the victim. Unless we file legal charges, we have no right to prevent meetings once statements are taken.”

Kresh nodded. “In other words, we can stop Gubber Anshaw talking to her, but not Jomaine Terach. Which reminds me, it’s high time we talked to Gubber, anyway. But damn it, I’m tired.” Alvar Kresh reached up to rub the bridge of his nose. “Tomorrow,” he said. “I’ll talk to him tomorrow. But see to it the guard robots keep Anshaw away from her until then.”

“Yes, sir. I have relayed the order over hyperwave.”

“Good. Very good. Then let’s go home.”

“Sir, excuse me, but I fear you have neglected a vital point,” Donald said. “ Am I not right in asking if I should issue orders to apprehend this robot Caliban?”

Alvar Kresh shook his head and sighed. “You ‘re rightand you’re wrong, Donald. It’s risky to wait-but it could be just as risky to go out after him now. Think about it-if thisis some bizarre Settler plot, clearly the point of it is to sow panic, throw a good scare into us. Surely, if that is the case, the plotters stand ready to exploit that panic, perhaps by staging something even more frightening than a robot committing arson. No matter ~hat we do, the search for Caliban is bound to become public knowledge. Can you imagine the panic if word of a rogue got out-and a skilled conspirator set to work to build that fear?”

“It would be terrible, sir. And I might add that the very news of a robot behaving as Caliban has-well, it would be likely to cause permanent dysfunction in many, many robots. Still, the danger to humans that Caliban represents-”

“Must be weighed against the danger of moving too soon. If we start out now, with the information we have, what are we going to do? Arrest all the tall red robots? Or why stop there? Maybe our friend Caliban can disguise himself by slapping on a fresh coat of paint, or by exchanging his long arms and legs for short ones.”

“With the result thatall robots will be distrusted. Which would be the intended result of a Settler plot. If the plot exists. Yes, sir, I see the difficulty.”

“It’s about all Ican see at this point,” Kresh said, feeling very much like a tired old man. “But we can’t move on this Caliban robot until we have more data. We can’t do a search of the entire city. We need better information. But let us be ready if things break quickly. Relay an order for increased rapid-response air patrols. If we get lucky and spot him somewhere, I want a deputy on top of him within two minutes.”

“Very well, sir. That will no doubt be sufficient to-” Suddenly Donald’s head cocked to one side, as if he were listening to something only he could hear-and that was not far from the truth. Kresh was familiar with the mannerism. Donald’s on-board communications system was receiving a message.

“Who’s calling, Donald?” Alvar asked.

“One moment, sir. It is a timelock-secured message. I will have to wait for the synchronization burst to decode it. One moment. Ah, there it is. You are ordered to meet with the Governor tomorrow morning, first thing, seven hours from now.”

Kresh groaned. “Devil take it all. The man’s politics are bad enough. Does he have to get up at insane hours as well?”

But there was no real response to that question, and Donald offered none. At last Alvar Kresh sighed and rubbed his eyes. “Home, Donald,” he said. “I want to see that damned lecture before I see the Governor. I’ve had it up to here with knowing less than everyone else.”

“THEY’D only letme in, Fredda. Not Gubber. The police robots won’t let him in until the Sheriff has-”

“Oh, be quiet, Jomaine. I know the law. My head hurts enough as it is.” Fredda Leving leaned her head back against her pillow and shut her eyes. The throbbing was getting worse. But she could not take anything for it. Not yet. Not yet. She would have to be sharp, be careful, even with Jomaine. Especially with Jomaine. First, she had to take precautions against being monitored. It had been pointless before when there was a police robot in the room, but it was vital now. She would have to phrase the order carefully if it was to do any good.

She cleared her throat and spoke. “I order all robots in the room or monitoring this room in any way to forget all conversation that takes place between the time of this order and the next time I clap my hands three times within a period of five seconds. To remember any such conversation, or to report it, would almost certainly cause me harm.”That ought to do it, unless the police had an actual human operative listening in on some hidden microphone, or a nonrobotic recording system working. But those possibilities were absurdly remote. Spacers used robots foreverything.

Which was, of course, the entire problem.

She turned toward Jomaine. “All right, I think we can talk now. Sit down and tell me what you know.”

Jomaine Terach did as he was told, but it didn’t take long for him to report the little that he was privy to. Not his fault, not really. Fredda had quite deliberately kept him in the dark, for everyone’s sake. He couldn’t tell what he didn’t know-a fact that, in balance, was very much to her advantage at the moment. Gubber was enough of a risk. A well-informed Jomaine in Kresh’s hands was a thought not to be contemplated. Still, he could at least serve to fill her in on any details Kresh had seen fit to leave out of his narrative.

Jomaine ran true to form, speaking overcarefully, working through all the details in a relentlessly orderly fashion, but even so it took him very little time to finish-no doubt in part because the crime scene was still sealed. No one not associated with the investigation had gotten into Gubber’s lab yet. Indeed, it appeared that Jomaine did not even know that a robot was missing from the lab.

Fredda nodded her head thoughtfully after Jomaine had stopped. He had not really contributed a great deal to her store of knowledge. Caliban was gone, either escaped or stolen. Someone had attacked her and stolen her notes. But what he didnot say told her it could have been worse. That was not to say that a great deal of damage had not been done, but just now she would take whatever small comfort she could. “And that’s it?” she asked. “Nothing else to report?”