Chapter Six
Berlin – May 1960
They quickly settled into the routine of espionage tradecraft and Berlin was their playground.
Gorilla had set up a new system of dead letter boxes, brush past locations, telephone numbers and safe houses that could be used to pass on information or to de-brief his agent. If EMERALD had something to pass on, she simply filled a DLB and then marked a nearby lamppost with a s***h of green chalk. The green chalk was the safety signal to say I have something for you to collect. Gorilla would then covertly empty the DLB and see what EMERALD had to tell him.
It was simple, rudimentary, but, for the fledgling spy and the fledgling agent runner, basics were what worked best. Gorilla had his usual daily routine of checking the safety markers that were located aroun
