The Red Room in the Ending of the Mission

"I think the line that's important in that is the opening is important for two reasons. One, it's showing his methodology, which is like when Barry says, why are you showing me these things?" "And I think what he's doing is making Barry's mind basically and what he does to everybody is he gets your brain to eat itself," Cusino said. 'This guy took the thing he cared about most from him'