Others have already answered, but just to explain it another way: she wasn’t supposed to know her opponents hand. She went all in, only knowing that she had hig

Others have already answered, but just to explain it another way: she wasn’t supposed to know her opponents hand. She went all in, only knowing that she had high card Jack. In other words, she definitely knew her opponents hand. Edit: to clarify, I doubt she knew her opponents specific cards. But she definitely knew her high card Jack had a good shot of winning, which is an absurd thing to suspect without cheating.