Emerson elaborating on Peasy’s plans

“The Nest doesn’t even work.”
St. George looked at the older man and followed his eyes to the oversized diagram on the big screen. He recognized it from Stealth’s sketch the day before. The neural stimulator.
“That was the deal, you see,” Sorensen said. “I made a deal with the dead. I wouldn’t say anything if any of you came here. If they found you and you came here, I couldn’t say anything. Especially to her.”
St. George tilted his head. “Her who?”
“Her. Dr. Morris. That was the deal. The dead would follow commands, they’d act just like the Nest was working. But I couldn’t warn the one who’d killed him.”
“What are you talking ab—oh, shit.”
Across the room, the fifth ex had stopped clicking its teeth together. It stared at St. George. It grinned.

Excerpt From Ex-Patriots, pg 403-404
Peter Clines
https://books.apple.com/us/book/ex-patriots/id585738393