"Not entirely sure. Best we figured he's body hopping like Rayner did. Sounded like his original body was down in the Panopticon. Which is apparently where the tunnels led. Millbank Prison. Right under us the whole time."

Which she's pretty sure Helen knew and never told them, surprise surprise. The Spiral tells lies and omits information, that's the MO.

"Lukas was going to try take it over somehow."