One of my Jewish Professors said that the Rabbis in Jerusalem know exactly where it is and are waiting for the right moment to reveal it. They probably discovered the chamber some time after 1967 but resealed it.
There is no doubt in my mind that it will be found.I am very convinced of this.This subject has been a little hobby of mine. I think that it will be revealed when the “end time” approaches and the battle between the forces of Satan and Jesus is fought in Armageddon.
The “War Scroll” calls it the “battle between the sons of light and the sons of darkness”.