Sometimes Juan just didn't think ahead: "Yup," he said, blissfully proud.
The uncovered part of her face flared. "You lying weasel! You're talking to the outside!"
Now Juan's face got hot too. "Don't you call me a liar! You know I'm good with interfaces."
"Not. That. Good." Her voice was deadly.
Caray. The right lie occurred to Juan a few seconds too late: He should have said he'd seen the Siberian picture format before! Now the only safe thing to do was ‘confess' that he was talking to Bertie. But Juan couldn't bear to tell that lie, even if it meant she would figure out what he had really done.
Miri stared at him for several seconds.
William's begoggled face had turned from one of them to other like a spectator at a tennis game. He spoke into the silence, and for once sounded a little surprised: "So what are you doing now, Miriam?"
Juan had already guessed: "She's watching the fog, and listening."
Miri nodded. "If Orozco is sneaking out on wireless, I'd hear it. If he's using something directional, I'd see sidescatter from the fog. I don't see anything just now."
"So maybe I'm squirting micro pulses." Juan's words came out all choked, but he was trying to sound sarcastic; any laser bright enough to get through the fog would have left an afterglow.
"Maybe. If you are, Juan Orozco, I will figure it out—and I'll get you kicked out of school." She turned back to look over the drop off. "Let's get going."
The steps got even steeper; eventually they reached a turn and walked on almost level ground for about sixty feet. The other side of the gorge was less than fifteen feet away.
"We must be close to the bottom," said William.
"No, William. These canyons go awfully deep and narrow." Miri motioned them to stop. "My darn battery has died." She fumbled around beneath her jacket, replacing a dead battery with one that was only half dead.
She adjusted her goggles and looked over the railing. "Huh. We have a good view from here." She waved at the depths. "You know, Orozco, this might be the place to do some active probing."
Juan pulled the probe gun from the sling on his back. He plugged it into his equipment vest. With the gun connected, most of the options were live:
BAT:LOW SENSORS BAT2:LOW
PASSIVE ACTIVE
VIS AMP OK GPR OK
NIR OK SONO OK
>TIR OK XECHO OK
SNIFF NA GATED VIS OK
AUDIO NA GATED NIR OK
SIG NA
"What do you want to try?"
"The ground penetrating radar." She pointed her own gun at the canyon wall. "Use your power, and we'll both watch."
Juan fiddled with the controls; the gun made a faint click as it shot a radar pulse into the rock wall. "Ah!" The USMC goggles showed the pulse's backscatter as lavender shading on top of the thermal IR. In the daylight pictures that Juan had downloaded, these rocks were white sandstone, fluted and scalloped into shapes that water or wind could not carve alone. The microwave revealed what could only be guessed at from the visible light: moisture that etched and weakened the rock from the inside.
"Aim lower."
"Okay." He fired again.
"See, way down? It Looks like little tunnels cut in the rock."
Juan stared at the pattern of lavender streaks. They did look different than the ones higher up, but—"I think that's just where the rock is soaking wet."
Miri was already hurrying down the steps. "Toss out more dungballs."
Down and around another thirty feet, they came to a place where the path was just a tumble of large boulders. The going got very slow. William stopped and pointed at the far wall. "Look, a sign."
There was a square wooden plate spiked into the sandstone. William lit his flashlight and leaned out from the path. Juan raised his goggles for a moment—and got the dubious benefit of William's light: everything beyond ten feet was hidden behind the pearly white fog. But the faded lettering on the sign was now visible: "FAT MAN'S MISERY".
William chuckled—and then almost lost his footing. "Did you ever think? Old-fashioned writing is the ultimate in context tagging. It's passive, informative, and present exactly where you need it."
"Yeah, sure. But can I point through it and find out what it thinks it means?"
William doused his flashlight. "I guess it means the gorge gets even narrower further on."
Which we already knew from Miri's maps. At the trailhead, this had looked like a valley, one hundred feet across. It had narrowed and narrowed, till now the far wall was about ten feet away. And from here....
"Scatter some more dungballs," said Miri. She was pointing straight down.
"Okay." They still had plenty of them. He carefully dropped six breadcrumbs where Miri indicated. They stood silently for a moment, watching the network diagnostics: the position guesstimate on one crumb was twenty-five to thirty feet further down. That was darn near the true bottom of the gorge. Juan took a breath. "So, are you ever going to tell us what precisely we're looking for, Miri?"
"I don't precisely know."
"But this is where you saw the UCSD people poking around?"
"Some, but they were mainly south of this valley."
"Geez, Miri. So you brought us here instead?"
"Look you! I'm not keeping secrets! I could see the hills above this canyon from the tourist scopes on Del Mar Heights. In the weeks after the UCSD guys left, there were small changes in the vegetation, mostly over this valley. At night, the bats and owls were at first more active and then less active than before.... And now tonight we've spotted some kind of tunnels in the rocks."
William sounded mystified. "That's all, Miriam?"
The girl didn't blow up when it was William asking. Instead she seemed almost abashed. "Well ... there's context. Feretti and Voss were behind the trips to the park in January. One is into synthetic ethology; the other is a world-class proteomics geek. They both got called to San Diego all at once, just like you'd expect for a movie teaser. And I'm sure ... almost sure ... they're both consulting for Foxwarner."
Juan sighed. That wasn't much more than she'd said in the beginning. Maybe Miri's biggest problem wasn't that she was bossy—it was that she was too darn good at projecting certainty. Juan made a disgusted noise, "And you figure if we just poke around carefully enough, solid clues will show up?" Whatever they may be.
"Yes! Somebody has to be the first to catch on. Using our probe gear and—yeah—Bertie's dungballs, we're not going to miss much. My theory is Foxwarner is trying to top what Spielberg/Rowling did last year with the magma monsters. This will be something that starts small, and is overtly plausible. With Feretti and Voss as advisors, I'll bet they'll play it as an escape from a bioscience lab." That would certainly fit the San Diego scene.
The new breadcrumbs had located their nearest neighbors. Now the extended network showed as diamond-sharp virtual gleams scattered through the spaces both above and below. In effect, they had twenty little ‘eyeballs', watching from all over the canyon. The pictures were all low-resolution stuff, but taken together that was too much data to forward all at once across the breadcrumb net to their wearables. They would have to pick through the viewpoints carefully.
"Okay then," said Juan. "Let's just sit and watch for a bit."
The Goofus remained standing. He seemed to be staring upward. Juan guessed that he was having some trouble with the video Juan was forwarding to him. Things were going to get pretty dull for him. Abruptly, William said, "Do either of you smell something burning?"