Why do you doubt it?
I’m a Christian. I don’t give people the benefit of the doubt. I judge them based in their fruits
They knew in advance and did nothing.
https://youtu.be/2PeYDphtHYo?si=Wd3B5SYiPNREsu3p
Here is an interesting take for you
You are unable to prove the mossad knew and did nothing. You made it up.