It was troubling thought, and Sisko now understood why Kira had elected to share it with the rest of them. Signs and omens, threads and fragments…

Sisko suddenly realized something else. “Lieutenant,” he said. “You said you found out all this only after an exhaustive search of the station’s databases.”

“Yes, Captain.”

“Then how would the destroyers of Sidau have learned about it?”

Ro looked at Kira, whose face was the same grim mask as before.

“The same way,” Kira answered. “The only conclusion that fits these assumptions is that the information was obtained from Deep Space 9.” Her eyes met Sisko’s. “We have a mole.”