7. Michael Swango
Michael Swango, once a respected physician, became notorious as a serial killer who exploited his medical training for nefarious purposes. Using his knowledge of medicine, Swango engaged in heinous experiments on vulnerable patients, administering lethal doses of drugs and observing their effects. His actions not only resulted in the deaths of numerous individuals but also raised alarming questions about the ethics of self-experimentation in the medical field. Swango’s chilling case serves as a stark reminder of how scientific knowledge, when misused, can lead to devastating consequences, highlighting the importance of ethical standards in healthcare.