operate with 3 different aliases(each with their own passport, credit card and background story (including the school they attended and names of their teachers); CNN Alex_Odeychuk)
work through locally recruited agents(англ. цитата заимствована из статьи: Edbrook C.D. Principles of deep cover // Studies in Intelligence. – Vol. 5. – Issue: Summer. – CIA, 1961. – pp. 1 – 29 (declassified in 1995). Alex_Odeychuk)