I'm almost certain that it went down like this: Lew had cheating device that signals when she has the best hand without any other details. She has been cheati

I'm almost certain that it went down like this: Lew had cheating device that signals when she has the best hand without any other details. She has been cheating for a long time. This is the one hand where she made a huge mistake by becoming greedy in a big pot and reveals she is cheating. The fact that she gave the money back makes it almost certain.