"He must have felt his own heartbeat pounding like rain on a rooftop every moment of those last few weeks. Those weeks tension knowing cover had been blown and that life could well be over any second. Oleg Gordievsky former KGB colonel was spy recruited by British Intelligence during the Cold War. But 1985 Moscow suspected there mole in their ranks. After drugged interrogated superiors after being recalled back to from London terrified double agent rackingly realised he only two options left: escape or execution. several weeks hero finally managed with assistance counterparts as objects seemingly ordinary Mars Bar Harrods Bag Safeway plastic bags. This one most vital steps extraction coordinated completed highly specified instructions hidden under hard covers Shakespear sonnets Gordievsky’s apartment were unconcealed if necessary. He appear street make eye contact man munching Bar carrying bag. On third Sunday that exposed passed message brush at another location. However first attempt turned out festering frustrating failure process bags repeated. Following contact defector prepared abandon life. all did not go according plan. losing surveillance catch train rendezvous group ready sneak him Russia. race Finnish border KGB along other obstacles mentioned excruciating succeeded. tension also known Defector marked turning point history Intelligence humiliating for Soviets."