- A nurse http://www.news.com.au/national/nsw-act/crime/nursing-home-killer-waited-six-years-to-strike/news-story/49b8f8e2d9b7b82241d2048b43bf53fc
- Insulin's 'first use as a murder weapon was recorded in 1957, and since then there have been about 50 cases globally of insulin being used either to kill, or to try to kill - mainly by medical staff who find the drug easier to obtain.' http://news.bbc.co.uk/2/hi/health/6250172.stm
- Doctor found guilty of murdering his wife http://thenewdaily.com.au/news/state/nsw/2016/12/08/doctor-guilty-murder-insulin-overdose/
There are probably experiments perhaps done on changing person's blood-type, but I'm not sure why this would be immediately financed or of interest to those investing in it. I'm just aware that mine changed, and there is, if you look it up a medical understanding on how a disease like rubella, or other stressors can change a person's blood-type.
Psychiatric drugs, particularly the neuroleptics, are one of the most horrendous tortures in the world, shutting down a person's ability to self-advocate, making a person an invalid, making a person in constant pain, as well as inarticulate.
NB: The approvals covered access to medical records without patient consent
Look further at this document here: