Anyone not familiar with the program would do well to spend a couple minutes on the summary:
https://en.wikipedia.org/wiki/Project_MKUltra
And of course it served as the template for how to deal with the Abu Ghraib fallout:
Given the CIA's purposeful destruction of most records, its failure to follow informed consent protocols with thousands of participants, the uncontrolled nature of the experiments, and the lack of follow-up data, the full impact of MKUltra experiments, including deaths, may never be known.