gather dirt(on ... - на ...: Using large campaign donations and cover stories, the operatives aimed to gather dirt that could sabotage the reputations of people and organizations considered threats to a hard-right agenda advanced by the president.nytimes.comAlex_Odeychuk)
produce useful information(англ. термин взят 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)
