Marie Jeanneret (13 January 1836 – 4 April 1884) was a Swiss serial killer who murdered at least six people.
According to the criminal code of the canton of Geneva, the death penalty could be imposed for these crimes.
The President of the Court was Eugène Colladon (1805–1880),[1] the public prosecutor was William Turrettini (1810–1876).
[2] Marie Jeanneret was defended by lawyer Gaspard Zurlinden (1838–1915).
[3] During the trial, she admitted that she had secretly administered atropine or morphine to all six of the deceased and the three other victims, although not with criminal intent, but out of medical interest in order to find out the effects of her experiments; In doing so, she did not consider the serious consequences.