3. Dr. Maxim Petrov
Petrov is something straight out of a horror movie, and it’s not just because he’s nicknamed “Doctor Killer” and “Doctor Death” either. Between 1997 and 2000, Dr. Petrov decided a life of committing robberies would be better than being a medic.
His M.O. consisted of visiting elderly patients at home, lying to them that they needed some medication and proceed to knock them out with an anesthetic. Whilst they were unconscious, he would comb the house looking for valuables to steal.
In 1999, he was interrupted while carrying out a robbery; following that, he made sure to inject victims with a lethal cocktail and made sure he set the house ablaze as he left. His spree continued till he was caught in 2000. He was tried for 17 murders in 2002, and found guilty of 12. For these, he was sentenced to life in prison.
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