Conversation so far:
when did he start CIA?
DCI Smith recruited Dulles to oversee the agency's covert operations as Deputy Director for Plans, a position he held from January 4, 1951.
what did he do in the CIA?
Dulles was promoted to Deputy Director of Central Intelligence, second in the intelligence hierarchy.
what did he do?
Documents made public in 2004 revealed that the CIA, under Dulles' orders, had broken into McCarthy's Senate office.

Question: what did he do in the office?
Self-contained rewrite: what did Allen Dulles do in the office?