Sometimes truth is stranger than fiction. Carl Rogers is well known for his person-centred approach. His contribution to psychology and humanism is indisputable. But even though he wrote many autobiographical essays and did many autobiographical interviews, he never mentioned his association with CIA research.
If you want to read more about his involvement with the CIA, you should take a look at Stephen P. Demanchick and Howard Kirschenbaum's article - https://doi.org/10.1177/00221678