"An inconspicuous white van squealed to a halt in front of the music bookstore, and no less than six men wearing black suits and communication devices flooded out of the rear compartment. They rushed to the front door, and Bernstein, looking out the window, shouted out to me "They've found us out!". We rushed to the back door. I said to him "We must have been bugged, we'll have to hide the secret code somewhere!". But Bernstein wasn't there anymore to hear me...."

End of Chapter 87

That was an excerpt from The Hidden Mode Code, by Dan Broune