principal agent(The principal agent can serve as a "cut-out" for the case officer, buffering him from direct contact with the agent network. Val_Ships)
conduct domestic intelligence(Since the creation of the Ministry of State Security of China in 1983, the Ministry of Public Security (MPS) does not undertake riot control functions, which are now under the control of People's Armed Police, nor does it conduct domestic intelligence which since 1983 has been a primary responsibility of the Ministry of State Security. Alex_Odeychuk)
be targeting(негласное всестороннее изучение объектов разведывательного интереса разведывательными или контрразведывательными органами // Guardian, 2020 Alex_Odeychuk)
cultivate(вербовочная разработка – негласное всестороннее изучение кандидата на вербовку разведывательными или контрразведывательными органами financial-engineer)