1944 became a dangerous time for the Cambridge Five. The C.I.A had set up systems to intercept intelligence communications with the U.S.S.R. Many of these transmissions contained their codenames.
1944 年成为剑桥五人组的危险时期。 C.I.A 已经建立了系统来拦截与苏联的情报通信。其中许多传输都包含他们的代号。