 However, a communiqué sent by 17N to the French newspaper "Libération" in March 1976 demonstrated that the group had been watching Welch's movements since the summer of 1975.He had been identified as a CIA agent in the book "Who's Who in CIA", which was published by two Soviet bloc intelligence agencies in 1968, and an American magazine called "CounterSpy".However, Parker R. refers to the former CIA agent Philip Agee, who had published two books revealing the names of more than 1,000 alleged CIA officers in Europe and Africa.