To a limited extent, yes they did.
spy
your mom was the spy
Alger Hiss
Yes
about 50,000 children were abandoned after world war 2
identity worn by children in world war 2
Klaus Fuchs was one of hundreds
OSS-The Office of Strategic Services
Fuchs
SAS
The Eagle has Landed, Donald Sutherland played the Irish/Nazi spy
that was called the Stasi