RITSUKO (OFF):“Yes…She was almost unbelievably disturbed.”
Kendrix: ... Some Echo from Rei 1 either within ´the current Rei or EVA 00 decided to take revenge on the old hag's daughter. Or it was some echo of Lillith that was pissed off/didn't like to be used as a puppet in someone's plan...
thewayneiac: Given the evidence from Ep. 14, I'd go with Rei 1 in Unit-00.