Cross answered on the second ring. He listened without speaking while Kael delivered the information.
Location, building address, crack position on the east face, timeline assessment of two to three days to passage-ready, and the directed pressure finding. He delivered it in the order a briefing should be delivered: most critical information first, supporting detail in sequence, assessment last.
When Kael finished, Cross was quiet for a moment.
Not the silence of someone who had not understood. The silence of someone updating a model.
"You are certain about the directed element," Cross said.
"Fault Reading ability," Kael said. "Second ability, unlocked after completing the Echo Layer map.
The crack signature is distinct from natural decay.
The frequency pattern of the pressure is rhythmic and consistent. Natural boundary stress is broad and irregular. This is narrow and repetitive." He paused. "Something is knocking."
"How long has the pressure been applied?"
"Three weeks by the rate analysis. The crack was natural settling for the first three weeks of its existence.
The directed pressure began at the three-week mark and has been continuous since."
Another silence. Longer.
"We have seen this before," Cross said. "Once. Eleven months ago. Port district. A crack on the pier at the old warehouse section." His voice carried the specific quality of information being offered rather than traded, a choice to be direct that Kael noted and filed. "The crack opened. Something came through. We contained it after a significant response effort."
"What came through?"
"I will share the file when we meet." His tone shifted fractionally. "Tomorrow morning. My office." He gave the address. The building in the government district that Kael had walked past a dozen times, mid-century, non-descript, its purpose deliberately unclear in the way that only institutional deliberateness could achieve.
"Nine AM," Kael said.
"Nine AM. Bring Mara Olsen."
He hung up before Cross could append anything to the conversation.
Mara was looking at him.
"He already knew your name," Kael said.
"He has had my file for two years." She pulled her jacket tighter against the morning. "He knows considerably more about me than my name." She looked back at the Southgate building one more time.
"We go into that meeting knowing that. We do not let it affect our position."
Kael looked at the crack in the building's east face.
Two to three days.
"We go into that meeting knowing we have something he needs more urgently than he expected," he said.
She looked at him.
"Fault Reading," he said. "He has instruments. His instruments monitor existing cracks. They do not identify forming cracks before they become passable.
They do not distinguish directed pressure from natural decay." He put his phone in his jacket pocket.
"What I just told him is better intelligence than his entire monitoring network has produced in three weeks of watching this crack." She looked at the crack. She looked at him.
"Do not give him that before we are in the room," she said.
"I know."
"And do not give him more than the port district file is worth," she said.
"I know."
She nodded once.
They walked away from the building toward the subway stop two blocks north. At the entrance she went down the stairs. He kept walking. His building was closer by surface streets and he needed the air more than the speed.
He had a lot to think about before nine AM.