“You could’ve fooled me” crossword clue

Are you having trouble finding the answers to “You could’ve fooled me” clue of the LA Times Crossword? Well your search ends here, because our team have found all the answers to today’s LA Times crossword.
I must admit that this clue is not so easy. It took us some time to find the right answer to “You could’ve fooled me”. You already know the answers has 10 letters. If you still cannot find it, here it comes.

Clue: “You could’ve fooled me”
Answer: IHADNOIDEA
Now you know the answer to “You could’ve fooled me”. It’s time to go back to find the answers to others clues on LA Times January 5, 2019

Wrong answer?
Sometimes the same clue can have 2 different answers or more. For example, the clue “401(k) alternative” could have 3 answers: IRA, ROTHIRA, OGOLKR found respectively on the following crosswords: Penny Dell Sunday (Jan. 28, 2018), Newsday (Jan. 22, 2018) and Eugene Sheffer (Dec. 7, 2017)