eddie chapman he was an agent and proper the clerk and the conman and highly trained and immediatelyswap sides and really went to the british but who was the cleverest? and then the affinity to remember those compound lies and to remember that to coin a phrase. and the took a rare courage but for a dozen years deep inside the kgb to know that at any moment you can would be arrested and tortured and killed that is sheer bravery. >> we have a question that how much did intelligence collected contribute to the red army victory? but you said ursula's intel was valuable but it's also at the level of the operation in the field. or do these spies impact on the battleground? >> it's a good question to the extent to which the system inside germany also soviet policy impact on - - faculty and that she wasn't actually at the hotel. and then with the career the only radio operator i don't think she did and see that at that point to be the role. and then to have a material impact but that is just the opposite with this portion that was incredibly useful but he really didn't trust spies. technical