The most well known examples are MKUltra: https://en.wikipedia.org/wiki/MKUltra
And the Tuskegee Syphilis Study: https://en.wikipedia.org/wiki/Tuskegee_Syphilis_Study
If you want to look at something slightly more speculative, I recommend Dr. Mary's Monkey: https://www.amazon.com/Dr-Marys-Monkey-Cancer-Causing-Assass...
It talks about how the CIA worked with Dr. Mary Sherman and Dr. Alton Ochsner to develop a cancer causing bio-weapon intended to give Castro cancer, but ultimately became part of the plot to assassinate JFK when that fell through.
Fresh book recommendations delivered straight to your inbox every Thursday.
The most well known examples are MKUltra: https://en.wikipedia.org/wiki/MKUltra
And the Tuskegee Syphilis Study: https://en.wikipedia.org/wiki/Tuskegee_Syphilis_Study
If you want to look at something slightly more speculative, I recommend Dr. Mary's Monkey: https://www.amazon.com/Dr-Marys-Monkey-Cancer-Causing-Assass...
It talks about how the CIA worked with Dr. Mary Sherman and Dr. Alton Ochsner to develop a cancer causing bio-weapon intended to give Castro cancer, but ultimately became part of the plot to assassinate JFK when that fell through.